{"items":[{"id":9203,"event_id":4053,"slug":"4053-sea-delays","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle arrivals running late: 42% reached the gate 15+ min late in the last hour","body":"Of 31 arrivals that landed between 12:01 PM and 1:01 PM PST, 13 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T21:01:54.631973Z","time":"1:01 PM","zone":"PST","date":"Nov 13","ago":"19 min ago","full":"Fri Nov 13, 1:01 PM PST","utc_text":"2026-11-13 21:01 UTC"},"source_event":{"utc":"2026-11-13T21:01:00Z","time":"1:01 PM","zone":"PST","date":"Nov 13","ago":"20 min ago","full":"Fri Nov 13, 1:01 PM PST","utc_text":"2026-11-13 21:01 UTC"},"ingested":{"utc":"2026-11-13T21:01:54.137070Z","time":"1:01 PM","zone":"PST","date":"Nov 13","ago":"19 min ago","full":"Fri Nov 13, 1:01 PM PST","utc_text":"2026-11-13 21:01 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QyMTowMTo1NC42MzE5NzMrMDA6MDB8OTIwMw","measurement":{"window":"12:01 PM–1:01 PM PST","n":31,"late_n":13,"share_pct":"42%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":3.0},"lifecycle":"new","has_correction":false,"has_retraction":false,"update_count":1,"latest_update_id":9203,"status_label":"New","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]},{"id":9199,"event_id":4051,"slug":"4051-ground-stop","kind":"initial","kind_label":"Initial","evidence":"confirmed","evidence_label":"Confirmed","evidence_help":"An official source reports it. We attribute it; we do not independently verify it.","severity":"major","severity_label":"Major","severity_rank":3,"event_type":"ground_stop","type_label":"Ground stop","headline":"FAA advisory: “NATIONAL GROUND STOP”","body":"The FAA issued this advisory: “EVENT TIME: 13/2053 - 14/0400 DUE TO EXTRAORDINARY CIRCUMSTANCES AND FOR REASONS OF SAFETY. ATTENTION ALL AIRCRAFT OPERATORS, BY ORDER OF THE FEDERAL AVIATION COMMAND CENTER ALL AIRPORTS ARE GROUND STOPPED. ALL DEPARTING TRAFFIC SHOULD REMAIN GROUND STOPPED UNTIL FURTHER NOTICE. INBOUND INTERNATIONAL FLIGHTS WILL BE MANAGED ON A CASE BY CASE BASIS.” This is an advisory bulletin; its text defines the affected flights and time period.","what_changed":null,"airports":[],"metros":[],"direction":"both","direction_label":"arrivals and departures","published":{"utc":"2026-11-13T20:59:51.502483Z","time":"3:59 PM","zone":"EST","date":"Nov 13","ago":"21 min ago","full":"Fri Nov 13, 3:59 PM EST","utc_text":"2026-11-13 20:59 UTC"},"source_event":null,"ingested":{"utc":"2026-11-13T20:57:28.498000Z","time":"3:57 PM","zone":"EST","date":"Nov 13","ago":"23 min ago","full":"Fri Nov 13, 3:57 PM EST","utc_text":"2026-11-13 20:57 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"faa_advisories faa-advisories-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QyMDo1OTo1MS41MDI0ODMrMDA6MDB8OTE5OQ","lifecycle":"new","has_correction":false,"has_retraction":false,"update_count":1,"latest_update_id":9199,"status_label":"New","n_match":1,"sources":[{"label":"FAA ATCSCC advisory","url":"https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&advn=111","role":"primary","source":"faa_advisory"}],"corrections":[]},{"id":9196,"event_id":4048,"slug":"4048-restriction","kind":"initial","kind_label":"Initial","evidence":"confirmed","evidence_label":"Confirmed","evidence_help":"An official source reports it. We attribute it; we do not independently verify it.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"traffic_restriction","type_label":"Traffic restriction","headline":"FAA advisory: “ALL AIRPORTS DIVERSION RECOVERY ACTIVATED”","body":"The FAA issued this advisory: “EVENT TIME: 13/2030 - 14/0500 THE ATCSCC HAS ACTIVATED THE DIVERSION RECOVERY TOOL FOR ALL AIRPORTS. CUSTOMERS SHOULD ENSURE THAT DVRSN IS INCLUDED IN FLIGHT PLAN REMARKS OF DIVERTED AIRCRAFT. NOTE THAT IF THERE IS A GROUND DELAY PROGRAM OR GROUND STOP IN EFFECT FOR THE DESTINATION AIRPORT DIVERTED FLIGHTS ARE NOT AUTOMATICALLY EXEMPT AND WILL STILL RECEIVE AN EDCT. UNLESS OTHERWISE NOTIFIED, DIVERSION RECOVERY WILL CLOSE AT THE END OF THE EVENT TIME SPECIFIED IN THIS ADVISORY.” This is an advisory bulletin; its text defines the affected flights and time period.","what_changed":null,"airports":[],"metros":[],"direction":"both","direction_label":"arrivals and departures","published":{"utc":"2026-11-13T20:56:45.215014Z","time":"3:56 PM","zone":"EST","date":"Nov 13","ago":"24 min ago","full":"Fri Nov 13, 3:56 PM EST","utc_text":"2026-11-13 20:56 UTC"},"source_event":null,"ingested":{"utc":"2026-11-13T20:52:58.693000Z","time":"3:52 PM","zone":"EST","date":"Nov 13","ago":"28 min ago","full":"Fri Nov 13, 3:52 PM EST","utc_text":"2026-11-13 20:52 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"faa_advisories faa-advisories-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QyMDo1Njo0NS4yMTUwMTQrMDA6MDB8OTE5Ng","lifecycle":"new","has_correction":false,"has_retraction":false,"update_count":1,"latest_update_id":9196,"status_label":"New","n_match":1,"sources":[{"label":"FAA ATCSCC advisory","url":"https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&advn=108","role":"primary","source":"faa_advisory"}],"corrections":[]},{"id":9119,"event_id":3974,"slug":"3974-sea-delays","kind":"resolution","kind_label":"Resolution","evidence":"forecast","evidence_label":"Forecast","evidence_help":"Tailodds' model predicts it. It has not happened.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Model lowers Seattle departure delay risk 6–9 PM Friday to 30%, near normal","body":"Tailodds’ model gives the 83 departures scheduled from Seattle 6–9 PM Friday an average 30% chance of leaving 15+ minutes late. With calm weather the same flights would average 23%. From the 11:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.","what_changed":"40% → 30%; calm-weather level 23%","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T20:27:32.676133Z","time":"12:27 PM","zone":"PST","date":"Nov 13","ago":"53 min ago","full":"Fri Nov 13, 12:27 PM PST","utc_text":"2026-11-13 20:27 UTC"},"source_event":{"utc":"2026-11-13T19:00:00Z","time":"11:00 AM","zone":"PST","date":"Nov 13","ago":"2 h ago","full":"Fri Nov 13, 11:00 AM PST","utc_text":"2026-11-13 19:00 UTC"},"ingested":{"utc":"2026-11-13T20:27:27.665969Z","time":"12:27 PM","zone":"PST","date":"Nov 13","ago":"53 min ago","full":"Fri Nov 13, 12:27 PM PST","utc_text":"2026-11-13 20:27 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"forecast_blocks forecast-blocks-v1","config_version":"2026-10-17.1","model_version":"famB-sd-v4i","corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QyMDoyNzozMi42NzYxMzMrMDA6MDB8OTExOQ","forecast":{"p_pct":"30%","expected_cancellations":0.3,"target":"SEA departures 6–9 PM 2026-11-13 (15+ min late)","horizon_h":5.5,"model_version":"famB-sd-v4i","model_changed":false,"calibration":"isotonic (model/train_forecast.py)","n":83,"cycle":{"utc":"2026-11-13T19:00:00Z","time":"11:00 AM","zone":"PST","date":"Nov 13","ago":"2 h ago","full":"Fri Nov 13, 11:00 AM PST","utc_text":"2026-11-13 19:00 UTC"}},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":9119,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds forecast","url":null,"role":"primary","source":"tailodds_forecast"}],"corrections":[]},{"id":9037,"event_id":3974,"slug":"3974-sea-delays","kind":"initial","kind_label":"Initial","evidence":"forecast","evidence_label":"Forecast","evidence_help":"Tailodds' model predicts it. It has not happened.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Model forecasts 40% delay risk for Seattle departures 6–9 PM Friday","body":"Tailodds’ model gives the 83 departures scheduled from Seattle 6–9 PM Friday an average 40% chance of leaving 15+ minutes late. With calm weather the same flights would average 23%. From the 9:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T17:56:15.552540Z","time":"9:56 AM","zone":"PST","date":"Nov 13","ago":"3 h ago","full":"Fri Nov 13, 9:56 AM PST","utc_text":"2026-11-13 17:56 UTC"},"source_event":{"utc":"2026-11-13T17:00:00Z","time":"9:00 AM","zone":"PST","date":"Nov 13","ago":"4 h ago","full":"Fri Nov 13, 9:00 AM PST","utc_text":"2026-11-13 17:00 UTC"},"ingested":{"utc":"2026-11-13T17:56:14.641613Z","time":"9:56 AM","zone":"PST","date":"Nov 13","ago":"3 h ago","full":"Fri Nov 13, 9:56 AM PST","utc_text":"2026-11-13 17:56 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"forecast_blocks forecast-blocks-v1","config_version":"2026-10-17.1","model_version":"famB-sd-v4i","corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxNzo1NjoxNS41NTI1NDArMDA6MDB8OTAzNw","forecast":{"p_pct":"40%","expected_cancellations":0.4,"target":"SEA departures 6–9 PM 2026-11-13 (15+ min late)","horizon_h":8.1,"model_version":"famB-sd-v4i","model_changed":false,"calibration":"isotonic (model/train_forecast.py)","n":83,"cycle":{"utc":"2026-11-13T17:00:00Z","time":"9:00 AM","zone":"PST","date":"Nov 13","ago":"4 h ago","full":"Fri Nov 13, 9:00 AM PST","utc_text":"2026-11-13 17:00 UTC"}},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":9119,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds forecast","url":null,"role":"primary","source":"tailodds_forecast"}],"corrections":[],"newer":{"id":9119,"kind":"Resolution","evidence":"forecast","evidence_label":"Forecast","severity_label":"Informational","headline":"Model lowers Seattle departure delay risk 6–9 PM Friday to 30%, near normal","published":{"utc":"2026-11-13T20:27:32.676133Z","time":"12:27 PM","zone":"PST","date":"Nov 13","ago":"53 min ago","full":"Fri Nov 13, 12:27 PM PST","utc_text":"2026-11-13 20:27 UTC"}}},{"id":8951,"event_id":3870,"slug":"3870-sea-delays","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Seattle departures back near normal: 0% late in the last hour","body":"Of 13 departures that took off between 6:00 AM and 7:00 AM PST, 0 left at least 15 minutes late. Seattle typically sees 7% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 AM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 17% for 31 minutes across 16 checks, each with at least 12 flights and current data.","what_changed":"late share 52% at worst → 0% now","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T15:00:33.510370Z","time":"7:00 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 7:00 AM PST","utc_text":"2026-11-13 15:00 UTC"},"source_event":{"utc":"2026-11-13T15:00:00Z","time":"7:00 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 7:00 AM PST","utc_text":"2026-11-13 15:00 UTC"},"ingested":{"utc":"2026-11-13T15:00:33.129378Z","time":"7:00 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 7:00 AM PST","utc_text":"2026-11-13 15:00 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxNTowMDozMy41MTAzNzArMDA6MDB8ODk1MQ","measurement":{"window":"6:00 AM–7:00 AM PST","n":13,"late_n":0,"share_pct":"0%","baseline_pct":"7%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 6 AM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":-6.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8951,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]},{"id":8933,"event_id":3750,"slug":"3750-sea-delays","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Seattle arrivals back near normal: 20% late in the last hour","body":"Of 20 arrivals that landed between 5:44 AM and 6:44 AM PST, 4 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.","what_changed":"late share 76% at worst → 20% now","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"},"source_event":{"utc":"2026-11-13T14:44:00Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"},"ingested":{"utc":"2026-11-13T14:44:14.329623Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxNDo0NDoxNC43MzAzOTUrMDA6MDB8ODkzMw","measurement":{"window":"5:44 AM–6:44 AM PST","n":20,"late_n":4,"share_pct":"20%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":-9.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]},{"id":8878,"event_id":3894,"slug":"3894-sea-delays","kind":"resolution","kind_label":"Resolution","evidence":"forecast","evidence_label":"Forecast","evidence_help":"Tailodds' model predicts it. It has not happened.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Model lowers Seattle departure delay risk noon–3 PM Friday to 31%, near normal","body":"Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 31% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 4:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.","what_changed":"34% → 31%; calm-weather level 21%","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T13:26:45.232248Z","time":"5:26 AM","zone":"PST","date":"Nov 13","ago":"7 h ago","full":"Fri Nov 13, 5:26 AM PST","utc_text":"2026-11-13 13:26 UTC"},"source_event":{"utc":"2026-11-13T12:00:00Z","time":"4:00 AM","zone":"PST","date":"Nov 13","ago":"9 h ago","full":"Fri Nov 13, 4:00 AM PST","utc_text":"2026-11-13 12:00 UTC"},"ingested":{"utc":"2026-11-13T13:26:44.385825Z","time":"5:26 AM","zone":"PST","date":"Nov 13","ago":"7 h ago","full":"Fri Nov 13, 5:26 AM PST","utc_text":"2026-11-13 13:26 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"forecast_blocks forecast-blocks-v1","config_version":"2026-10-17.1","model_version":"famB-sd-v4i","corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxMzoyNjo0NS4yMzIyNDgrMDA6MDB8ODg3OA","forecast":{"p_pct":"31%","expected_cancellations":0.5,"target":"SEA departures noon–3 PM 2026-11-13 (15+ min late)","horizon_h":6.6,"model_version":"famB-sd-v4i","model_changed":false,"calibration":"isotonic (model/train_forecast.py)","n":93,"cycle":{"utc":"2026-11-13T12:00:00Z","time":"4:00 AM","zone":"PST","date":"Nov 13","ago":"9 h ago","full":"Fri Nov 13, 4:00 AM PST","utc_text":"2026-11-13 12:00 UTC"}},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":3,"latest_update_id":8878,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds forecast","url":null,"role":"primary","source":"tailodds_forecast"}],"corrections":[]},{"id":8855,"event_id":3894,"slug":"3894-sea-delays","kind":"de-escalation","kind_label":"De-escalation","evidence":"forecast","evidence_label":"Forecast","evidence_help":"Tailodds' model predicts it. It has not happened.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Model lowers Seattle departure delay risk noon–3 PM Friday to 34%","body":"Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 34% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 3:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.","what_changed":"45% → 34% since the 2:00 AM PST forecast (same model, same window)","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T11:57:03.286198Z","time":"3:57 AM","zone":"PST","date":"Nov 13","ago":"9 h ago","full":"Fri Nov 13, 3:57 AM PST","utc_text":"2026-11-13 11:57 UTC"},"source_event":{"utc":"2026-11-13T11:00:00Z","time":"3:00 AM","zone":"PST","date":"Nov 13","ago":"10 h ago","full":"Fri Nov 13, 3:00 AM PST","utc_text":"2026-11-13 11:00 UTC"},"ingested":{"utc":"2026-11-13T11:57:02.842857Z","time":"3:57 AM","zone":"PST","date":"Nov 13","ago":"9 h ago","full":"Fri Nov 13, 3:57 AM PST","utc_text":"2026-11-13 11:57 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"forecast_blocks forecast-blocks-v1","config_version":"2026-10-17.1","model_version":"famB-sd-v4i","corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxMTo1NzowMy4yODYxOTgrMDA6MDB8ODg1NQ","forecast":{"p_pct":"34%","expected_cancellations":0.6,"target":"SEA departures noon–3 PM 2026-11-13 (15+ min late)","horizon_h":8.0,"model_version":"famB-sd-v4i","model_changed":false,"calibration":"isotonic (model/train_forecast.py)","n":93,"cycle":{"utc":"2026-11-13T11:00:00Z","time":"3:00 AM","zone":"PST","date":"Nov 13","ago":"10 h ago","full":"Fri Nov 13, 3:00 AM PST","utc_text":"2026-11-13 11:00 UTC"}},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":3,"latest_update_id":8878,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds forecast","url":null,"role":"primary","source":"tailodds_forecast"}],"corrections":[],"newer":{"id":8878,"kind":"Resolution","evidence":"forecast","evidence_label":"Forecast","severity_label":"Informational","headline":"Model lowers Seattle departure delay risk noon–3 PM Friday to 31%, near normal","published":{"utc":"2026-11-13T13:26:45.232248Z","time":"5:26 AM","zone":"PST","date":"Nov 13","ago":"7 h ago","full":"Fri Nov 13, 5:26 AM PST","utc_text":"2026-11-13 13:26 UTC"}}},{"id":8828,"event_id":3894,"slug":"3894-sea-delays","kind":"initial","kind_label":"Initial","evidence":"forecast","evidence_label":"Forecast","evidence_help":"Tailodds' model predicts it. It has not happened.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Model forecasts 45% delay risk for Seattle departures noon–3 PM Friday","body":"Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 45% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 2:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T10:57:45.246055Z","time":"2:57 AM","zone":"PST","date":"Nov 13","ago":"10 h ago","full":"Fri Nov 13, 2:57 AM PST","utc_text":"2026-11-13 10:57 UTC"},"source_event":{"utc":"2026-11-13T10:00:00Z","time":"2:00 AM","zone":"PST","date":"Nov 13","ago":"11 h ago","full":"Fri Nov 13, 2:00 AM PST","utc_text":"2026-11-13 10:00 UTC"},"ingested":{"utc":"2026-11-13T10:57:44.821486Z","time":"2:57 AM","zone":"PST","date":"Nov 13","ago":"10 h ago","full":"Fri Nov 13, 2:57 AM PST","utc_text":"2026-11-13 10:57 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"forecast_blocks forecast-blocks-v1","config_version":"2026-10-17.1","model_version":"famB-sd-v4i","corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QxMDo1Nzo0NS4yNDYwNTUrMDA6MDB8ODgyOA","forecast":{"p_pct":"45%","expected_cancellations":0.9,"target":"SEA departures noon–3 PM 2026-11-13 (15+ min late)","horizon_h":9.0,"model_version":"famB-sd-v4i","model_changed":false,"calibration":"isotonic (model/train_forecast.py)","n":93,"cycle":{"utc":"2026-11-13T10:00:00Z","time":"2:00 AM","zone":"PST","date":"Nov 13","ago":"11 h ago","full":"Fri Nov 13, 2:00 AM PST","utc_text":"2026-11-13 10:00 UTC"}},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":3,"latest_update_id":8878,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds forecast","url":null,"role":"primary","source":"tailodds_forecast"}],"corrections":[],"newer":{"id":8878,"kind":"Resolution","evidence":"forecast","evidence_label":"Forecast","severity_label":"Informational","headline":"Model lowers Seattle departure delay risk noon–3 PM Friday to 31%, near normal","published":{"utc":"2026-11-13T13:26:45.232248Z","time":"5:26 AM","zone":"PST","date":"Nov 13","ago":"7 h ago","full":"Fri Nov 13, 5:26 AM PST","utc_text":"2026-11-13 13:26 UTC"}}},{"id":8773,"event_id":3870,"slug":"3870-sea-delays","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle departures running late: 50% left 15+ min late in the last hour","body":"Of 22 departures that took off between 11:11 PM and 12:11 AM PST, 11 left at least 15 minutes late. Seattle typically sees 20% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 PM hour). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T08:11:07.542104Z","time":"12:11 AM","zone":"PST","date":"Nov 13","ago":"13 h ago","full":"Fri Nov 13, 12:11 AM PST","utc_text":"2026-11-13 08:11 UTC"},"source_event":{"utc":"2026-11-13T08:11:00Z","time":"12:11 AM","zone":"PST","date":"Nov 13","ago":"13 h ago","full":"Fri Nov 13, 12:11 AM PST","utc_text":"2026-11-13 08:11 UTC"},"ingested":{"utc":"2026-11-13T08:11:07.322556Z","time":"12:11 AM","zone":"PST","date":"Nov 13","ago":"13 h ago","full":"Fri Nov 13, 12:11 AM PST","utc_text":"2026-11-13 08:11 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwODoxMTowNy41NDIxMDQrMDA6MDB8ODc3Mw","measurement":{"window":"11:11 PM–12:11 AM PST","n":22,"late_n":11,"share_pct":"50%","baseline_pct":"20%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 11 PM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":16.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8951,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8951,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle departures back near normal: 0% late in the last hour","published":{"utc":"2026-11-13T15:00:33.510370Z","time":"7:00 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 7:00 AM PST","utc_text":"2026-11-13 15:00 UTC"}}},{"id":8768,"event_id":3750,"slug":"3750-sea-delays","kind":"de-escalation","kind_label":"De-escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays ease: 48% late in the last hour, still above normal","body":"Of 27 arrivals that landed between 10:20 PM and 11:20 PM PST, 13 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 66% → 48%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T07:20:26.340617Z","time":"11:20 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:20 PM PST","utc_text":"2026-11-13 07:20 UTC"},"source_event":{"utc":"2026-11-13T07:20:00Z","time":"11:20 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:20 PM PST","utc_text":"2026-11-13 07:20 UTC"},"ingested":{"utc":"2026-11-13T07:20:26.174531Z","time":"11:20 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:20 PM PST","utc_text":"2026-11-13 07:20 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwNzoyMDoyNi4zNDA2MTcrMDA6MDB8ODc2OA","measurement":{"window":"10:20 PM–11:20 PM PST","n":27,"late_n":13,"share_pct":"48%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":13.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8766,"event_id":3826,"slug":"3826-sea-aircraft-turns","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"inbound_risk","type_label":"Inbound aircraft","headline":"Seattle aircraft turns back near normal: 1 of 14 departures in the next 90 min are tight","body":"Of the 17 departures scheduled from Seattle (SEA) between 11:08 PM and 12:38 AM PST, FAA flight plans name the aircraft for 14. For 1 of those, the aircraft’s previous flight into SEA is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 0 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late. The tight share has stayed at or below 12% for 31 minutes across 16 checks, each with current data.","what_changed":"tight share 43% at worst → 7% now","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T07:08:16.769025Z","time":"11:08 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:08 PM PST","utc_text":"2026-11-13 07:08 UTC"},"source_event":{"utc":"2026-11-13T07:08:00Z","time":"11:08 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:08 PM PST","utc_text":"2026-11-13 07:08 UTC"},"ingested":{"utc":"2026-11-13T07:08:16.087094Z","time":"11:08 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:08 PM PST","utc_text":"2026-11-13 07:08 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"inbound_aircraft inbound-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwNzowODoxNi43NjkwMjUrMDA6MDB8ODc2Ng","measure":{"chips":[["Next","11:08 PM–12:38 AM PST"],["Tight turns","1 of 14"],["Share","7%"]],"rows":[["Departures scheduled","11:08 PM–12:38 AM PST · 17 departures, aircraft known for 14"],["Tight turns","1 (7%) with the inbound due under 35 min before departure"],["Inbound not yet in","0 not taken off · 0 in the air"],["Method","SFDPS flight-plan aircraft (flight_aircraft) -> previous flight into this airport; FAA wheels-on or arrival estimate + median taxi-in (taxi_times) vs the FAA-filed airline schedule (flight_odds)"],["Tightest","UA 1538 to EWR at 11:14 PM: aircraft N17475, inbound UA 2263 from ORD (landed), 16 min to turn"]]},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8766,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight plans and arrival estimates against airline schedules","url":null,"role":"primary","source":"tailodds_inbound"}],"corrections":[]},{"id":8729,"event_id":3750,"slug":"3750-sea-delays","kind":"escalation","kind_label":"Escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"major","severity_label":"Major","severity_rank":3,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays worsen: 66% late in the last hour","body":"Of 35 arrivals that landed between 8:44 PM and 9:44 PM PST, 23 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 53% → 66%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T05:44:45.181556Z","time":"9:44 PM","zone":"PST","date":"Nov 12","ago":"15 h ago","full":"Thu Nov 12, 9:44 PM PST","utc_text":"2026-11-13 05:44 UTC"},"source_event":{"utc":"2026-11-13T05:44:00Z","time":"9:44 PM","zone":"PST","date":"Nov 12","ago":"15 h ago","full":"Thu Nov 12, 9:44 PM PST","utc_text":"2026-11-13 05:44 UTC"},"ingested":{"utc":"2026-11-13T05:44:44.785146Z","time":"9:44 PM","zone":"PST","date":"Nov 12","ago":"15 h ago","full":"Thu Nov 12, 9:44 PM PST","utc_text":"2026-11-13 05:44 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwNTo0NDo0NS4xODE1NTYrMDA6MDB8ODcyOQ","measurement":{"window":"8:44 PM–9:44 PM PST","n":35,"late_n":23,"share_pct":"66%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":24.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8691,"event_id":3750,"slug":"3750-sea-delays","kind":"de-escalation","kind_label":"De-escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays ease: 53% late in the last hour, still above normal","body":"Of 36 arrivals that landed between 7:23 PM and 8:23 PM PST, 19 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 68% → 53%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T04:23:19.611017Z","time":"8:23 PM","zone":"PST","date":"Nov 12","ago":"16 h ago","full":"Thu Nov 12, 8:23 PM PST","utc_text":"2026-11-13 04:23 UTC"},"source_event":{"utc":"2026-11-13T04:23:00Z","time":"8:23 PM","zone":"PST","date":"Nov 12","ago":"16 h ago","full":"Thu Nov 12, 8:23 PM PST","utc_text":"2026-11-13 04:23 UTC"},"ingested":{"utc":"2026-11-13T04:23:19.170915Z","time":"8:23 PM","zone":"PST","date":"Nov 12","ago":"16 h ago","full":"Thu Nov 12, 8:23 PM PST","utc_text":"2026-11-13 04:23 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwNDoyMzoxOS42MTEwMTcrMDA6MDB8ODY5MQ","measurement":{"window":"7:23 PM–8:23 PM PST","n":36,"late_n":19,"share_pct":"53%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":20.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8680,"event_id":3750,"slug":"3750-sea-delays","kind":"escalation","kind_label":"Escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"major","severity_label":"Major","severity_rank":3,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays worsen: 68% late in the last hour","body":"Of 34 arrivals that landed between 7:02 PM and 8:02 PM PST, 23 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 52% → 68%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T04:02:52.811295Z","time":"8:02 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 8:02 PM PST","utc_text":"2026-11-13 04:02 UTC"},"source_event":{"utc":"2026-11-13T04:02:00Z","time":"8:02 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 8:02 PM PST","utc_text":"2026-11-13 04:02 UTC"},"ingested":{"utc":"2026-11-13T04:02:52.399853Z","time":"8:02 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 8:02 PM PST","utc_text":"2026-11-13 04:02 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwNDowMjo1Mi44MTEyOTUrMDA6MDB8ODY4MA","measurement":{"window":"7:02 PM–8:02 PM PST","n":34,"late_n":23,"share_pct":"68%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":26.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8646,"event_id":3826,"slug":"3826-sea-aircraft-turns","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"inbound_risk","type_label":"Inbound aircraft","headline":"Seattle: 9 of 36 departures in the next 90 min have their aircraft due in with under 35 min to turn","body":"Of the 47 departures scheduled from Seattle (SEA) between 7:22 PM and 8:52 PM PST, FAA flight plans name the aircraft for 36. For 9 of those, the aircraft’s previous flight into SEA is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 1 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T03:22:10.591349Z","time":"7:22 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 7:22 PM PST","utc_text":"2026-11-13 03:22 UTC"},"source_event":{"utc":"2026-11-13T03:22:00Z","time":"7:22 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 7:22 PM PST","utc_text":"2026-11-13 03:22 UTC"},"ingested":{"utc":"2026-11-13T03:22:09.649870Z","time":"7:22 PM","zone":"PST","date":"Nov 12","ago":"17 h ago","full":"Thu Nov 12, 7:22 PM PST","utc_text":"2026-11-13 03:22 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"inbound_aircraft inbound-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwMzoyMjoxMC41OTEzNDkrMDA6MDB8ODY0Ng","measure":{"chips":[["Next","7:22 PM–8:52 PM PST"],["Tight turns","9 of 36"],["Share","25%"]],"rows":[["Departures scheduled","7:22 PM–8:52 PM PST · 47 departures, aircraft known for 36"],["Tight turns","9 (25%) with the inbound due under 35 min before departure"],["Inbound not yet in","1 not taken off · 5 in the air"],["Method","SFDPS flight-plan aircraft (flight_aircraft) -> previous flight into this airport; FAA wheels-on or arrival estimate + median taxi-in (taxi_times) vs the FAA-filed airline schedule (flight_odds)"],["Tightest","WN 855 to OAK at 8:40 PM: aircraft N480WN, inbound WN 4386 from LGB (airborne), -27 min to turn"],["Tightest","QX 2457 to BIL at 7:52 PM: aircraft N667QX, inbound QX 2240 from PDX (not departed), -15 min to turn"],["Tightest","OO 4081 to YVR at 8:13 PM: aircraft N290SY, inbound OO 4124 from EUG (airborne), 16 min to turn"],["Tightest","WN 3832 to SJC at 8:43 PM: aircraft N495WN, inbound WN 225 from LAS (airborne), 18 min to turn"],["Tightest","OO 3956 to SJC at 8:03 PM: aircraft N320SY, inbound OO 3790 from GEG (airborne), 19 min to turn"]]},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8766,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight plans and arrival estimates against airline schedules","url":null,"role":"primary","source":"tailodds_inbound"}],"corrections":[],"newer":{"id":8766,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle aircraft turns back near normal: 1 of 14 departures in the next 90 min are tight","published":{"utc":"2026-11-13T07:08:16.769025Z","time":"11:08 PM","zone":"PST","date":"Nov 12","ago":"14 h ago","full":"Thu Nov 12, 11:08 PM PST","utc_text":"2026-11-13 07:08 UTC"}}},{"id":8617,"event_id":3795,"slug":"3795-sea-delays","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Seattle departures back near normal: 12% late in the last hour","body":"Of 33 departures that took off between 5:41 PM and 6:41 PM PST, 4 left at least 15 minutes late. Seattle typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.","what_changed":"late share 46% at worst → 12% now","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T02:41:20.220581Z","time":"6:41 PM","zone":"PST","date":"Nov 12","ago":"18 h ago","full":"Thu Nov 12, 6:41 PM PST","utc_text":"2026-11-13 02:41 UTC"},"source_event":{"utc":"2026-11-13T02:41:00Z","time":"6:41 PM","zone":"PST","date":"Nov 12","ago":"18 h ago","full":"Thu Nov 12, 6:41 PM PST","utc_text":"2026-11-13 02:41 UTC"},"ingested":{"utc":"2026-11-13T02:41:19.832978Z","time":"6:41 PM","zone":"PST","date":"Nov 12","ago":"18 h ago","full":"Thu Nov 12, 6:41 PM PST","utc_text":"2026-11-13 02:41 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwMjo0MToyMC4yMjA1ODErMDA6MDB8ODYxNw","measurement":{"window":"5:41 PM–6:41 PM PST","n":33,"late_n":4,"share_pct":"12%","baseline_pct":"24%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 6 PM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":-6.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8617,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]},{"id":8577,"event_id":3795,"slug":"3795-sea-delays","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle departures running late: 46% left 15+ min late in the last hour","body":"Of 26 departures that took off between 4:33 PM and 5:33 PM PST, 12 left at least 15 minutes late. Seattle typically sees 23% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-13T01:33:49.381929Z","time":"5:33 PM","zone":"PST","date":"Nov 12","ago":"19 h ago","full":"Thu Nov 12, 5:33 PM PST","utc_text":"2026-11-13 01:33 UTC"},"source_event":{"utc":"2026-11-13T01:33:00Z","time":"5:33 PM","zone":"PST","date":"Nov 12","ago":"19 h ago","full":"Thu Nov 12, 5:33 PM PST","utc_text":"2026-11-13 01:33 UTC"},"ingested":{"utc":"2026-11-13T01:33:48.959339Z","time":"5:33 PM","zone":"PST","date":"Nov 12","ago":"19 h ago","full":"Thu Nov 12, 5:33 PM PST","utc_text":"2026-11-13 01:33 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwMTozMzo0OS4zODE5MjkrMDA6MDB8ODU3Nw","measurement":{"window":"4:33 PM–5:33 PM PST","n":26,"late_n":12,"share_pct":"46%","baseline_pct":"23%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 5 PM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":5.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8617,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8617,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle departures back near normal: 12% late in the last hour","published":{"utc":"2026-11-13T02:41:20.220581Z","time":"6:41 PM","zone":"PST","date":"Nov 12","ago":"18 h ago","full":"Thu Nov 12, 6:41 PM PST","utc_text":"2026-11-13 02:41 UTC"}}},{"id":8527,"event_id":3750,"slug":"3750-sea-delays","kind":"de-escalation","kind_label":"De-escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays ease: 52% late in the last hour, still above normal","body":"Of 27 arrivals that landed between 3:16 PM and 4:16 PM PST, 14 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 61% → 52%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-13T00:16:02.175777Z","time":"4:16 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 4:16 PM PST","utc_text":"2026-11-13 00:16 UTC"},"source_event":{"utc":"2026-11-13T00:16:00Z","time":"4:16 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 4:16 PM PST","utc_text":"2026-11-13 00:16 UTC"},"ingested":{"utc":"2026-11-13T00:16:01.477890Z","time":"4:16 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 4:16 PM PST","utc_text":"2026-11-13 00:16 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xM1QwMDoxNjowMi4xNzU3NzcrMDA6MDB8ODUyNw","measurement":{"window":"3:16 PM–4:16 PM PST","n":27,"late_n":14,"share_pct":"52%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":15.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8515,"event_id":3750,"slug":"3750-sea-delays","kind":"escalation","kind_label":"Escalation","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"major","severity_label":"Major","severity_rank":3,"event_type":"delay","type_label":"Delay","headline":"Seattle arrival delays worsen: 61% late in the last hour","body":"Of 28 arrivals that landed between 2:55 PM and 3:55 PM PST, 17 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":"late share 55% → 61%","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-12T23:55:15.826246Z","time":"3:55 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:55 PM PST","utc_text":"2026-11-12 23:55 UTC"},"source_event":{"utc":"2026-11-12T23:55:00Z","time":"3:55 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:55 PM PST","utc_text":"2026-11-12 23:55 UTC"},"ingested":{"utc":"2026-11-12T23:55:15.174710Z","time":"3:55 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:55 PM PST","utc_text":"2026-11-12 23:55 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xMlQyMzo1NToxNS44MjYyNDYrMDA6MDB8ODUxNQ","measurement":{"window":"2:55 PM–3:55 PM PST","n":28,"late_n":17,"share_pct":"61%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":24.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8502,"event_id":3750,"slug":"3750-sea-delays","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle arrivals running late: 55% reached the gate 15+ min late in the last hour","body":"Of 29 arrivals that landed between 2:26 PM and 3:26 PM PST, 16 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-12T23:26:28.542269Z","time":"3:26 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:26 PM PST","utc_text":"2026-11-12 23:26 UTC"},"source_event":{"utc":"2026-11-12T23:26:00Z","time":"3:26 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:26 PM PST","utc_text":"2026-11-12 23:26 UTC"},"ingested":{"utc":"2026-11-12T23:26:28.103217Z","time":"3:26 PM","zone":"PST","date":"Nov 12","ago":"21 h ago","full":"Thu Nov 12, 3:26 PM PST","utc_text":"2026-11-12 23:26 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xMlQyMzoyNjoyOC41NDIyNjkrMDA6MDB8ODUwMg","measurement":{"window":"2:26 PM–3:26 PM PST","n":29,"late_n":16,"share_pct":"55%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":16.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":8,"latest_update_id":8933,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8933,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle arrivals back near normal: 20% late in the last hour","published":{"utc":"2026-11-13T14:44:14.730395Z","time":"6:44 AM","zone":"PST","date":"Nov 13","ago":"6 h ago","full":"Fri Nov 13, 6:44 AM PST","utc_text":"2026-11-13 14:44 UTC"}}},{"id":8476,"event_id":3712,"slug":"3712-sea-delays","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Seattle departures back near normal: 15% late in the last hour","body":"Of 34 departures that took off between 1:22 PM and 2:22 PM PST, 5 left at least 15 minutes late. Seattle typically sees 22% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 1 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.","what_changed":"late share 43% at worst → 15% now","airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-12T22:22:48.595930Z","time":"2:22 PM","zone":"PST","date":"Nov 12","ago":"22 h ago","full":"Thu Nov 12, 2:22 PM PST","utc_text":"2026-11-12 22:22 UTC"},"source_event":{"utc":"2026-11-12T22:22:00Z","time":"2:22 PM","zone":"PST","date":"Nov 12","ago":"22 h ago","full":"Thu Nov 12, 2:22 PM PST","utc_text":"2026-11-12 22:22 UTC"},"ingested":{"utc":"2026-11-12T22:22:48.130631Z","time":"2:22 PM","zone":"PST","date":"Nov 12","ago":"22 h ago","full":"Thu Nov 12, 2:22 PM PST","utc_text":"2026-11-12 22:22 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xMlQyMjoyMjo0OC41OTU5MzArMDA6MDB8ODQ3Ng","measurement":{"window":"1:22 PM–2:22 PM PST","n":34,"late_n":5,"share_pct":"15%","baseline_pct":"22%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 1 PM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":-2.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8476,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]},{"id":8436,"event_id":3712,"slug":"3712-sea-delays","kind":"initial","kind_label":"Initial","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"significant","severity_label":"Significant","severity_rank":2,"event_type":"delay","type_label":"Delay","headline":"Seattle departures running late: 42% left 15+ min late in the last hour","body":"Of 38 departures that took off between 12:23 PM and 1:23 PM PST, 16 left at least 15 minutes late. Seattle typically sees 21% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 12 PM hour). Measured by Tailodds from FAA flight data against airline schedules.","what_changed":null,"airports":["SEA"],"metros":[],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-12T21:23:25.325412Z","time":"1:23 PM","zone":"PST","date":"Nov 12","ago":"23 h ago","full":"Thu Nov 12, 1:23 PM PST","utc_text":"2026-11-12 21:23 UTC"},"source_event":{"utc":"2026-11-12T21:23:00Z","time":"1:23 PM","zone":"PST","date":"Nov 12","ago":"23 h ago","full":"Thu Nov 12, 1:23 PM PST","utc_text":"2026-11-12 21:23 UTC"},"ingested":{"utc":"2026-11-12T21:23:24.950393Z","time":"1:23 PM","zone":"PST","date":"Nov 12","ago":"23 h ago","full":"Thu Nov 12, 1:23 PM PST","utc_text":"2026-11-12 21:23 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xMlQyMToyMzoyNS4zMjU0MTIrMDA6MDB8ODQzNg","measurement":{"window":"12:23 PM–1:23 PM PST","n":38,"late_n":16,"share_pct":"42%","baseline_pct":"21%","baseline_basis":"US DOT on-time data, last 12 published months, departures in the 12 PM hour","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":13.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8476,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[],"newer":{"id":8476,"kind":"Recovery","evidence":"observed","evidence_label":"Observed","severity_label":"Informational","headline":"Seattle departures back near normal: 15% late in the last hour","published":{"utc":"2026-11-12T22:22:48.595930Z","time":"2:22 PM","zone":"PST","date":"Nov 12","ago":"22 h ago","full":"Thu Nov 12, 2:22 PM PST","utc_text":"2026-11-12 22:22 UTC"}}},{"id":8418,"event_id":3680,"slug":"3680-sea-delays","kind":"recovery","kind_label":"Recovery","evidence":"observed","evidence_label":"Observed","evidence_help":"Tailodds measured a change in actual operations.","severity":"info","severity_label":"Informational","severity_rank":1,"event_type":"delay","type_label":"Delay","headline":"Seattle arrivals back near normal: 19% late in the last hour","body":"Of 31 arrivals that landed between 11:44 AM and 12:44 PM PST, 6 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.","what_changed":"late share 44% at worst → 19% now","airports":["SEA"],"metros":[],"direction":"arrivals","direction_label":"arrivals","published":{"utc":"2026-11-12T20:44:30.066787Z","time":"12:44 PM","zone":"PST","date":"Nov 12","ago":"24 h ago","full":"Thu Nov 12, 12:44 PM PST","utc_text":"2026-11-12 20:44 UTC"},"source_event":{"utc":"2026-11-12T20:44:00Z","time":"12:44 PM","zone":"PST","date":"Nov 12","ago":"24 h ago","full":"Thu Nov 12, 12:44 PM PST","utc_text":"2026-11-12 20:44 UTC"},"ingested":{"utc":"2026-11-12T20:44:29.604590Z","time":"12:44 PM","zone":"PST","date":"Nov 12","ago":"24 h ago","full":"Thu Nov 12, 12:44 PM PST","utc_text":"2026-11-12 20:44 UTC"},"historical":false,"simulated":false,"writer":"template-v1","detector":"observed_ops observed-ops-v1","config_version":"2026-10-17.1","model_version":null,"corrects_update_id":null,"cursor":"MjAyNi0xMS0xMlQyMDo0NDozMC4wNjY3ODcrMDA6MDB8ODQxOA","measurement":{"window":"11:44 AM–12:44 PM PST","n":31,"late_n":6,"share_pct":"19%","baseline_pct":"19%","baseline_basis":"US DOT on-time data, last 12 published months, all arrivals","method":"FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)","median_delay_min":3.0},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8418,"status_label":"Resolved","n_match":1,"sources":[{"label":"Tailodds measurement of FAA flight data against airline schedules","url":null,"role":"primary","source":"tailodds_observed"}],"corrections":[]}],"next_cursor":"MjAyNi0xMS0xMlQyMDo0NDozMC4wNjY3ODcrMDA6MDB8ODQxOA","top_cursor":"MjAyNi0xMS0xM1QyMTowMTo1NC42MzE5NzMrMDA6MDB8OTIwMw","flight_routes":null,"html":["\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"9203\" data-event=\"4053\" data-cursor=\"MjAyNi0xMS0xM1QyMTowMTo1NC42MzE5NzMrMDA6MDB8OTIwMw\" data-sev=\"significant\" data-life=\"new\" data-n=\"1\" aria-labelledby=\"wi-h-9203\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T21:01:54.631973Z\" title=\"Fri Nov 13, 1:01 PM PST · 2026-11-13 21:01 UTC\">16:01</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-new\" title=\"The event's current status\">NEW</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-9203\"><a href=\"/wire/events/4053-sea-delays#u-9203\" title=\"Seattle arrivals running late: 42% reached the gate 15+ min late in the last hour\">Seattle arrivals running late: 42% reached the gate 15+ min late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"\">42% late</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-9203\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"9203\"></div>\n    <p class=\"wt-body\">Of 31 arrivals that landed between 12:01 PM and 1:01 PM PST, 13 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">1 update · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/4053-sea-delays#u-9203\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"4053\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/4053-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-major\" data-id=\"9199\" data-event=\"4051\" data-cursor=\"MjAyNi0xMS0xM1QyMDo1OTo1MS41MDI0ODMrMDA6MDB8OTE5OQ\" data-sev=\"major\" data-life=\"new\" data-n=\"1\" aria-labelledby=\"wi-h-9199\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T20:59:51.502483Z\" title=\"Fri Nov 13, 3:59 PM EST · 2026-11-13 20:59 UTC\">15:59</time>\n      <span class=\"wt-ev ev-confirmed\" title=\"Confirmed: An official source reports it. We attribute it; we do not independently verify it.\"><span aria-hidden=\"true\">C</span><span class=\"visually-hidden\">Confirmed</span></span>\n      <span class=\"sev sev-major wt-sev\" title=\"Major\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Major</span></span>\n      <span class=\"wt-apt\"></span>\n      <span class=\"wt-dir\" title=\"arrivals and departures\">A+D</span>\n      <span class=\"wt-type\" title=\"Ground stop\">GND STOP</span>\n      <span class=\"wt-st wt-st-new\" title=\"The event's current status\">NEW</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-9199\"><a href=\"/wire/events/4051-ground-stop#u-9199\" title=\"FAA advisory: “NATIONAL GROUND STOP”\">FAA advisory: “NATIONAL GROUND STOP”</a></h3>\n    <span class=\"wt-chg\" title=\"\"></span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-9199\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"9199\"></div>\n    <p class=\"wt-body\">The FAA issued this advisory: “EVENT TIME: 13/2053 - 14/0400 DUE TO EXTRAORDINARY CIRCUMSTANCES AND FOR REASONS OF SAFETY. ATTENTION ALL AIRCRAFT OPERATORS, BY ORDER OF THE FEDERAL AVIATION COMMAND CENTER ALL AIRPORTS ARE GROUND STOPPED. ALL DEPARTING TRAFFIC SHOULD REMAIN GROUND STOPPED UNTIL FURTHER NOTICE. INBOUND INTERNATIONAL FLIGHTS WILL BE MANAGED ON A CASE BY CASE BASIS.” This is an advisory bulletin; its text defines the affected flights and time period.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">1 update · Source: <a href=\"https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&amp;advn=111\" rel=\"noopener nofollow\" target=\"_blank\">FAA ATCSCC advisory ↗</a></span>\n      <a href=\"/wire/events/4051-ground-stop#u-9199\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"4051\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/4051-ground-stop\">Copy link</button>\n      \n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"9196\" data-event=\"4048\" data-cursor=\"MjAyNi0xMS0xM1QyMDo1Njo0NS4yMTUwMTQrMDA6MDB8OTE5Ng\" data-sev=\"significant\" data-life=\"new\" data-n=\"1\" aria-labelledby=\"wi-h-9196\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T20:56:45.215014Z\" title=\"Fri Nov 13, 3:56 PM EST · 2026-11-13 20:56 UTC\">15:56</time>\n      <span class=\"wt-ev ev-confirmed\" title=\"Confirmed: An official source reports it. We attribute it; we do not independently verify it.\"><span aria-hidden=\"true\">C</span><span class=\"visually-hidden\">Confirmed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"></span>\n      <span class=\"wt-dir\" title=\"arrivals and departures\">A+D</span>\n      <span class=\"wt-type\" title=\"Traffic restriction\">RESTRICT</span>\n      <span class=\"wt-st wt-st-new\" title=\"The event's current status\">NEW</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-9196\"><a href=\"/wire/events/4048-restriction#u-9196\" title=\"FAA advisory: “ALL AIRPORTS DIVERSION RECOVERY ACTIVATED”\">FAA advisory: “ALL AIRPORTS DIVERSION RECOVERY ACTIVATED”</a></h3>\n    <span class=\"wt-chg\" title=\"\"></span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-9196\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"9196\"></div>\n    <p class=\"wt-body\">The FAA issued this advisory: “EVENT TIME: 13/2030 - 14/0500 THE ATCSCC HAS ACTIVATED THE DIVERSION RECOVERY TOOL FOR ALL AIRPORTS. CUSTOMERS SHOULD ENSURE THAT DVRSN IS INCLUDED IN FLIGHT PLAN REMARKS OF DIVERTED AIRCRAFT. NOTE THAT IF THERE IS A GROUND DELAY PROGRAM OR GROUND STOP IN EFFECT FOR THE DESTINATION AIRPORT DIVERTED FLIGHTS ARE NOT AUTOMATICALLY EXEMPT AND WILL STILL RECEIVE AN EDCT. UNLESS OTHERWISE NOTIFIED, DIVERSION RECOVERY WILL CLOSE AT THE END OF THE EVENT TIME SPECIFIED IN THIS ADVISORY.” This is an advisory bulletin; its text defines the affected flights and time period.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">1 update · Source: <a href=\"https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&amp;advn=108\" rel=\"noopener nofollow\" target=\"_blank\">FAA ATCSCC advisory ↗</a></span>\n      <a href=\"/wire/events/4048-restriction#u-9196\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"4048\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/4048-restriction\">Copy link</button>\n      \n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"9119\" data-event=\"3974\" data-cursor=\"MjAyNi0xMS0xM1QyMDoyNzozMi42NzYxMzMrMDA6MDB8OTExOQ\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-9119\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T20:27:32.676133Z\" title=\"Fri Nov 13, 12:27 PM PST · 2026-11-13 20:27 UTC\">15:27</time>\n      <span class=\"wt-ev ev-forecast\" title=\"Forecast: Tailodds&#39; model predicts it. It has not happened.\"><span aria-hidden=\"true\">F</span><span class=\"visually-hidden\">Forecast</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-9119\"><a href=\"/wire/events/3974-sea-delays#u-9119\" title=\"Model lowers Seattle departure delay risk 6–9 PM Friday to 30%, near normal\">Model lowers Seattle departure delay risk 6–9 PM Friday to 30%, near normal</a></h3>\n    <span class=\"wt-chg\" title=\"40% → 30%; calm-weather level 23%\">40% → 30%; calm-weather level 23%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-9119\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"9119\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Tailodds’ model gives the 83 departures scheduled from Seattle 6–9 PM Friday an average 30% chance of leaving 15+ minutes late. With calm weather the same flights would average 23%. From the 11:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds forecast</span>\n      <a href=\"/wire/events/3974-sea-delays#u-9119\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3974\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3974-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"9037\" data-event=\"3974\" data-cursor=\"MjAyNi0xMS0xM1QxNzo1NjoxNS41NTI1NDArMDA6MDB8OTAzNw\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-9037\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T17:56:15.552540Z\" title=\"Fri Nov 13, 9:56 AM PST · 2026-11-13 17:56 UTC\">12:56</time>\n      <span class=\"wt-ev ev-forecast\" title=\"Forecast: Tailodds&#39; model predicts it. It has not happened.\"><span aria-hidden=\"true\">F</span><span class=\"visually-hidden\">Forecast</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-9037\"><a href=\"/wire/events/3974-sea-delays#u-9037\" title=\"Model forecasts 40% delay risk for Seattle departures 6–9 PM Friday\">Model forecasts 40% delay risk for Seattle departures 6–9 PM Friday</a></h3>\n    <span class=\"wt-chg\" title=\"\">40% risk</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-9037\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"9037\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Tailodds’ model gives the 83 departures scheduled from Seattle 6–9 PM Friday an average 40% chance of leaving 15+ minutes late. With calm weather the same flights would average 23%. From the 9:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds forecast</span>\n      <a href=\"/wire/events/3974-sea-delays#u-9037\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3974\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3974-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8951\" data-event=\"3870\" data-cursor=\"MjAyNi0xMS0xM1QxNTowMDozMy41MTAzNzArMDA6MDB8ODk1MQ\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8951\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T15:00:33.510370Z\" title=\"Fri Nov 13, 7:00 AM PST · 2026-11-13 15:00 UTC\">10:00</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8951\"><a href=\"/wire/events/3870-sea-delays#u-8951\" title=\"Seattle departures back near normal: 0% late in the last hour\">Seattle departures back near normal: 0% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 52% at worst → 0% now\">late share 52% at worst → 0% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8951\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8951\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 13 departures that took off between 6:00 AM and 7:00 AM PST, 0 left at least 15 minutes late. Seattle typically sees 7% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 AM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 17% for 31 minutes across 16 checks, each with at least 12 flights and current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3870-sea-delays#u-8951\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3870\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3870-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8933\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QxNDo0NDoxNC43MzAzOTUrMDA6MDB8ODkzMw\" data-sev=\"info\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8933\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T14:44:14.730395Z\" title=\"Fri Nov 13, 6:44 AM PST · 2026-11-13 14:44 UTC\">09:44</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8933\"><a href=\"/wire/events/3750-sea-delays#u-8933\" title=\"Seattle arrivals back near normal: 20% late in the last hour\">Seattle arrivals back near normal: 20% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 76% at worst → 20% now\">late share 76% at worst → 20% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8933\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8933\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 20 arrivals that landed between 5:44 AM and 6:44 AM PST, 4 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8933\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8878\" data-event=\"3894\" data-cursor=\"MjAyNi0xMS0xM1QxMzoyNjo0NS4yMzIyNDgrMDA6MDB8ODg3OA\" data-sev=\"info\" data-life=\"resolved\" data-n=\"3\" aria-labelledby=\"wi-h-8878\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T13:26:45.232248Z\" title=\"Fri Nov 13, 5:26 AM PST · 2026-11-13 13:26 UTC\">08:26</time>\n      <span class=\"wt-ev ev-forecast\" title=\"Forecast: Tailodds&#39; model predicts it. It has not happened.\"><span aria-hidden=\"true\">F</span><span class=\"visually-hidden\">Forecast</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8878\"><a href=\"/wire/events/3894-sea-delays#u-8878\" title=\"Model lowers Seattle departure delay risk noon–3 PM Friday to 31%, near normal\">Model lowers Seattle departure delay risk noon–3 PM Friday to 31%, near normal</a></h3>\n    <span class=\"wt-chg\" title=\"34% → 31%; calm-weather level 21%\">34% → 31%; calm-weather level 21%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8878\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8878\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 31% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 4:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">3 updates · Source: Tailodds forecast</span>\n      <a href=\"/wire/events/3894-sea-delays#u-8878\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3894\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3894-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8855\" data-event=\"3894\" data-cursor=\"MjAyNi0xMS0xM1QxMTo1NzowMy4yODYxOTgrMDA6MDB8ODg1NQ\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"3\" aria-labelledby=\"wi-h-8855\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T11:57:03.286198Z\" title=\"Fri Nov 13, 3:57 AM PST · 2026-11-13 11:57 UTC\">06:57</time>\n      <span class=\"wt-ev ev-forecast\" title=\"Forecast: Tailodds&#39; model predicts it. It has not happened.\"><span aria-hidden=\"true\">F</span><span class=\"visually-hidden\">Forecast</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8855\"><a href=\"/wire/events/3894-sea-delays#u-8855\" title=\"Model lowers Seattle departure delay risk noon–3 PM Friday to 34%\">Model lowers Seattle departure delay risk noon–3 PM Friday to 34%</a></h3>\n    <span class=\"wt-chg\" title=\"45% → 34% since the 2:00 AM PST forecast (same model, same window)\">▼ 45% → 34% since the 2:00 AM PST forecast (same model, same window)</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8855\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8855\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 34% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 3:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">3 updates · Source: Tailodds forecast</span>\n      <a href=\"/wire/events/3894-sea-delays#u-8855\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3894\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3894-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8828\" data-event=\"3894\" data-cursor=\"MjAyNi0xMS0xM1QxMDo1Nzo0NS4yNDYwNTUrMDA6MDB8ODgyOA\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"3\" aria-labelledby=\"wi-h-8828\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T10:57:45.246055Z\" title=\"Fri Nov 13, 2:57 AM PST · 2026-11-13 10:57 UTC\">05:57</time>\n      <span class=\"wt-ev ev-forecast\" title=\"Forecast: Tailodds&#39; model predicts it. It has not happened.\"><span aria-hidden=\"true\">F</span><span class=\"visually-hidden\">Forecast</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8828\"><a href=\"/wire/events/3894-sea-delays#u-8828\" title=\"Model forecasts 45% delay risk for Seattle departures noon–3 PM Friday\">Model forecasts 45% delay risk for Seattle departures noon–3 PM Friday</a></h3>\n    <span class=\"wt-chg\" title=\"\">45% risk</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8828\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8828\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Tailodds’ model gives the 93 departures scheduled from Seattle noon–3 PM Friday an average 45% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 2:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">3 updates · Source: Tailodds forecast</span>\n      <a href=\"/wire/events/3894-sea-delays#u-8828\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3894\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3894-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8773\" data-event=\"3870\" data-cursor=\"MjAyNi0xMS0xM1QwODoxMTowNy41NDIxMDQrMDA6MDB8ODc3Mw\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8773\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T08:11:07.542104Z\" title=\"Fri Nov 13, 12:11 AM PST · 2026-11-13 08:11 UTC\">03:11</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8773\"><a href=\"/wire/events/3870-sea-delays#u-8773\" title=\"Seattle departures running late: 50% left 15+ min late in the last hour\">Seattle departures running late: 50% left 15+ min late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"\">50% late</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8773\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8773\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 22 departures that took off between 11:11 PM and 12:11 AM PST, 11 left at least 15 minutes late. Seattle typically sees 20% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 PM hour). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3870-sea-delays#u-8773\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3870\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3870-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8768\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QwNzoyMDoyNi4zNDA2MTcrMDA6MDB8ODc2OA\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8768\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T07:20:26.340617Z\" title=\"Thu Nov 12, 11:20 PM PST · 2026-11-13 07:20 UTC\">02:20</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8768\"><a href=\"/wire/events/3750-sea-delays#u-8768\" title=\"Seattle arrival delays ease: 48% late in the last hour, still above normal\">Seattle arrival delays ease: 48% late in the last hour, still above normal</a></h3>\n    <span class=\"wt-chg\" title=\"late share 66% → 48%\">▼ late share 66% → 48%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8768\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8768\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 27 arrivals that landed between 10:20 PM and 11:20 PM PST, 13 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8768\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8766\" data-event=\"3826\" data-cursor=\"MjAyNi0xMS0xM1QwNzowODoxNi43NjkwMjUrMDA6MDB8ODc2Ng\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8766\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T07:08:16.769025Z\" title=\"Thu Nov 12, 11:08 PM PST · 2026-11-13 07:08 UTC\">02:08</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Inbound aircraft\">INBOUND</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8766\"><a href=\"/wire/events/3826-sea-aircraft-turns#u-8766\" title=\"Seattle aircraft turns back near normal: 1 of 14 departures in the next 90 min are tight\">Seattle aircraft turns back near normal: 1 of 14 departures in the next 90 min are tight</a></h3>\n    <span class=\"wt-chg\" title=\"tight share 43% at worst → 7% now\">tight share 43% at worst → 7% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8766\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8766\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of the 17 departures scheduled from Seattle (SEA) between 11:08 PM and 12:38 AM PST, FAA flight plans name the aircraft for 14. For 1 of those, the aircraft’s previous flight into SEA is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 0 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late. The tight share has stayed at or below 12% for 31 minutes across 16 checks, each with current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedules</span>\n      <a href=\"/wire/events/3826-sea-aircraft-turns#u-8766\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3826\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3826-sea-aircraft-turns\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-major\" data-id=\"8729\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QwNTo0NDo0NS4xODE1NTYrMDA6MDB8ODcyOQ\" data-sev=\"major\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8729\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T05:44:45.181556Z\" title=\"Thu Nov 12, 9:44 PM PST · 2026-11-13 05:44 UTC\">00:44</time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-major wt-sev\" title=\"Major\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Major</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8729\"><a href=\"/wire/events/3750-sea-delays#u-8729\" title=\"Seattle arrival delays worsen: 66% late in the last hour\">Seattle arrival delays worsen: 66% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 53% → 66%\">▲ late share 53% → 66%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8729\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8729\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 35 arrivals that landed between 8:44 PM and 9:44 PM PST, 23 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8729\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8691\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QwNDoyMzoxOS42MTEwMTcrMDA6MDB8ODY5MQ\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8691\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T04:23:19.611017Z\" title=\"Thu Nov 12, 8:23 PM PST · 2026-11-13 04:23 UTC\">23:23<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8691\"><a href=\"/wire/events/3750-sea-delays#u-8691\" title=\"Seattle arrival delays ease: 53% late in the last hour, still above normal\">Seattle arrival delays ease: 53% late in the last hour, still above normal</a></h3>\n    <span class=\"wt-chg\" title=\"late share 68% → 53%\">▼ late share 68% → 53%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8691\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8691\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 36 arrivals that landed between 7:23 PM and 8:23 PM PST, 19 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8691\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-major\" data-id=\"8680\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QwNDowMjo1Mi44MTEyOTUrMDA6MDB8ODY4MA\" data-sev=\"major\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8680\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T04:02:52.811295Z\" title=\"Thu Nov 12, 8:02 PM PST · 2026-11-13 04:02 UTC\">23:02<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-major wt-sev\" title=\"Major\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Major</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8680\"><a href=\"/wire/events/3750-sea-delays#u-8680\" title=\"Seattle arrival delays worsen: 68% late in the last hour\">Seattle arrival delays worsen: 68% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 52% → 68%\">▲ late share 52% → 68%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8680\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8680\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 34 arrivals that landed between 7:02 PM and 8:02 PM PST, 23 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8680\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8646\" data-event=\"3826\" data-cursor=\"MjAyNi0xMS0xM1QwMzoyMjoxMC41OTEzNDkrMDA6MDB8ODY0Ng\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8646\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T03:22:10.591349Z\" title=\"Thu Nov 12, 7:22 PM PST · 2026-11-13 03:22 UTC\">22:22<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Inbound aircraft\">INBOUND</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8646\"><a href=\"/wire/events/3826-sea-aircraft-turns#u-8646\" title=\"Seattle: 9 of 36 departures in the next 90 min have their aircraft due in with under 35 min to turn\">Seattle: 9 of 36 departures in the next 90 min have their aircraft due in with under 35 min to turn</a></h3>\n    <span class=\"wt-chg\" title=\"\">Tight turns 9 of 36</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8646\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8646\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of the 47 departures scheduled from Seattle (SEA) between 7:22 PM and 8:52 PM PST, FAA flight plans name the aircraft for 36. For 9 of those, the aircraft’s previous flight into SEA is due at the gate less than 35 minutes before the scheduled departure, or after it (FAA arrival times or estimates plus the airport’s typical taxi time); 1 of those inbound flights have not taken off yet. Measured by Tailodds from FAA flight data; it does not mean each of these departures will leave late.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedules</span>\n      <a href=\"/wire/events/3826-sea-aircraft-turns#u-8646\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3826\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3826-sea-aircraft-turns\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8617\" data-event=\"3795\" data-cursor=\"MjAyNi0xMS0xM1QwMjo0MToyMC4yMjA1ODErMDA6MDB8ODYxNw\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8617\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T02:41:20.220581Z\" title=\"Thu Nov 12, 6:41 PM PST · 2026-11-13 02:41 UTC\">21:41<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8617\"><a href=\"/wire/events/3795-sea-delays#u-8617\" title=\"Seattle departures back near normal: 12% late in the last hour\">Seattle departures back near normal: 12% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 46% at worst → 12% now\">late share 46% at worst → 12% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8617\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8617\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 33 departures that took off between 5:41 PM and 6:41 PM PST, 4 left at least 15 minutes late. Seattle typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3795-sea-delays#u-8617\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3795\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3795-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8577\" data-event=\"3795\" data-cursor=\"MjAyNi0xMS0xM1QwMTozMzo0OS4zODE5MjkrMDA6MDB8ODU3Nw\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8577\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T01:33:49.381929Z\" title=\"Thu Nov 12, 5:33 PM PST · 2026-11-13 01:33 UTC\">20:33<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8577\"><a href=\"/wire/events/3795-sea-delays#u-8577\" title=\"Seattle departures running late: 46% left 15+ min late in the last hour\">Seattle departures running late: 46% left 15+ min late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"\">46% late</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8577\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8577\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 26 departures that took off between 4:33 PM and 5:33 PM PST, 12 left at least 15 minutes late. Seattle typically sees 23% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3795-sea-delays#u-8577\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3795\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3795-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8527\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xM1QwMDoxNjowMi4xNzU3NzcrMDA6MDB8ODUyNw\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8527\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-13T00:16:02.175777Z\" title=\"Thu Nov 12, 4:16 PM PST · 2026-11-13 00:16 UTC\">19:16<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8527\"><a href=\"/wire/events/3750-sea-delays#u-8527\" title=\"Seattle arrival delays ease: 52% late in the last hour, still above normal\">Seattle arrival delays ease: 52% late in the last hour, still above normal</a></h3>\n    <span class=\"wt-chg\" title=\"late share 61% → 52%\">▼ late share 61% → 52%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8527\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8527\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 27 arrivals that landed between 3:16 PM and 4:16 PM PST, 14 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8527\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-major\" data-id=\"8515\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xMlQyMzo1NToxNS44MjYyNDYrMDA6MDB8ODUxNQ\" data-sev=\"major\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8515\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-12T23:55:15.826246Z\" title=\"Thu Nov 12, 3:55 PM PST · 2026-11-12 23:55 UTC\">18:55<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-major wt-sev\" title=\"Major\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Major</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8515\"><a href=\"/wire/events/3750-sea-delays#u-8515\" title=\"Seattle arrival delays worsen: 61% late in the last hour\">Seattle arrival delays worsen: 61% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 55% → 61%\">▲ late share 55% → 61%</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8515\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8515\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 28 arrivals that landed between 2:55 PM and 3:55 PM PST, 17 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8515\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8502\" data-event=\"3750\" data-cursor=\"MjAyNi0xMS0xMlQyMzoyNjoyOC41NDIyNjkrMDA6MDB8ODUwMg\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"8\" aria-labelledby=\"wi-h-8502\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-12T23:26:28.542269Z\" title=\"Thu Nov 12, 3:26 PM PST · 2026-11-12 23:26 UTC\">18:26<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8502\"><a href=\"/wire/events/3750-sea-delays#u-8502\" title=\"Seattle arrivals running late: 55% reached the gate 15+ min late in the last hour\">Seattle arrivals running late: 55% reached the gate 15+ min late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"\">55% late</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8502\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8502\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 29 arrivals that landed between 2:26 PM and 3:26 PM PST, 16 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">8 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3750-sea-delays#u-8502\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3750\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3750-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8476\" data-event=\"3712\" data-cursor=\"MjAyNi0xMS0xMlQyMjoyMjo0OC41OTU5MzArMDA6MDB8ODQ3Ng\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8476\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-12T22:22:48.595930Z\" title=\"Thu Nov 12, 2:22 PM PST · 2026-11-12 22:22 UTC\">17:22<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8476\"><a href=\"/wire/events/3712-sea-delays#u-8476\" title=\"Seattle departures back near normal: 15% late in the last hour\">Seattle departures back near normal: 15% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 43% at worst → 15% now\">late share 43% at worst → 15% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8476\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8476\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 34 departures that took off between 1:22 PM and 2:22 PM PST, 5 left at least 15 minutes late. Seattle typically sees 22% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 1 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3712-sea-delays#u-8476\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3712\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3712-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-significant\" data-id=\"8436\" data-event=\"3712\" data-cursor=\"MjAyNi0xMS0xMlQyMToyMzoyNS4zMjU0MTIrMDA6MDB8ODQzNg\" data-sev=\"significant\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8436\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-12T21:23:25.325412Z\" title=\"Thu Nov 12, 1:23 PM PST · 2026-11-12 21:23 UTC\">16:23<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-significant wt-sev\" title=\"Significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Significant</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"departures\">DEP</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8436\"><a href=\"/wire/events/3712-sea-delays#u-8436\" title=\"Seattle departures running late: 42% left 15+ min late in the last hour\">Seattle departures running late: 42% left 15+ min late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"\">42% late</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8436\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8436\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 38 departures that took off between 12:23 PM and 1:23 PM PST, 16 left at least 15 minutes late. Seattle typically sees 21% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 12 PM hour). Measured by Tailodds from FAA flight data against airline schedules.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3712-sea-delays#u-8436\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3712\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3712-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>","\n\n\n\n\n\n\n<article class=\"wi wt sev-info\" data-id=\"8418\" data-event=\"3680\" data-cursor=\"MjAyNi0xMS0xMlQyMDo0NDozMC4wNjY3ODcrMDA6MDB8ODQxOA\" data-sev=\"info\" data-life=\"resolved\" data-n=\"2\" aria-labelledby=\"wi-h-8418\">\n  <div class=\"wt-row\">\n    <span class=\"wt-x\"></span>\n    <span class=\"wt-meta\">\n      <time class=\"wt-t\" datetime=\"2026-11-12T20:44:30.066787Z\" title=\"Thu Nov 12, 12:44 PM PST · 2026-11-12 20:44 UTC\">15:44<small>Nov 12</small></time>\n      <span class=\"wt-ev ev-observed\" title=\"Observed: Tailodds measured a change in actual operations.\"><span aria-hidden=\"true\">O</span><span class=\"visually-hidden\">Observed</span></span>\n      <span class=\"sev sev-info wt-sev\" title=\"Informational\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span><span class=\"visually-hidden\">Informational</span></span>\n      <span class=\"wt-apt\"><a href=\"/airport/SEA\">SEA</a></span>\n      <span class=\"wt-dir\" title=\"arrivals\">ARR</span>\n      <span class=\"wt-type\" title=\"Delay\">DELAY</span>\n      <span class=\"wt-st wt-st-resolved\" title=\"The event's current status\">RESOLVED</span>\n    </span>\n    <h3 class=\"wt-hl\" id=\"wi-h-8418\"><a href=\"/wire/events/3680-sea-delays#u-8418\" title=\"Seattle arrivals back near normal: 19% late in the last hour\">Seattle arrivals back near normal: 19% late in the last hour</a></h3>\n    <span class=\"wt-chg\" title=\"late share 44% at worst → 19% now\">late share 44% at worst → 19% now</span>\n  </div>\n  <div class=\"wt-more\" id=\"wt-more-8418\" hidden>\n    \n    <div class=\"wt-hist-slot\" data-slot=\"8418\"><p class=\"wt-loading\">Loading earlier updates…</p></div>\n    <p class=\"wt-body\">Of 31 arrivals that landed between 11:44 AM and 12:44 PM PST, 6 reached the gate at least 15 minutes late. Typically 19% of arrivals at Seattle arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 29% for 31 minutes across 16 checks, each with at least 12 flights and current data.</p>\n    <div class=\"wt-acts\">\n      <span class=\"wt-src\">2 updates · Source: Tailodds measurement of FAA flight data against airline schedules</span>\n      <a href=\"/wire/events/3680-sea-delays#u-8418\" data-act=\"open\">Open event ›</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3680\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3680-sea-delays\">Copy link</button>\n      <a href=\"/airport/SEA\" data-act=\"view_airport\">View SEA</a>\n    </div>\n  </div>\n</article>"],"filters":"airport=SEA&mode=all&view=terminal"}