{"items":[{"id":8238,"event_id":3583,"slug":"3583-ord-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":"O'Hare aircraft turns back near normal: 5 of 42 departures in the next 90 min are tight","body":"Of the 49 departures scheduled from O'Hare (ORD) between 9:58 PM and 11:28 PM CST, FAA flight plans name the aircraft for 42. For 5 of those, the aircraft’s previous flight into ORD 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 41% at worst → 12% now","airports":["ORD"],"metros":["CHI"],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-12T03:58:13.145355Z","time":"9:58 PM","zone":"CST","date":"Nov 11","ago":"33 h ago","full":"Wed Nov 11, 9:58 PM CST","utc_text":"2026-11-12 03:58 UTC"},"source_event":{"utc":"2026-11-12T03:58:00Z","time":"9:58 PM","zone":"CST","date":"Nov 11","ago":"33 h ago","full":"Wed Nov 11, 9:58 PM CST","utc_text":"2026-11-12 03:58 UTC"},"ingested":{"utc":"2026-11-12T03:58:06.931443Z","time":"9:58 PM","zone":"CST","date":"Nov 11","ago":"33 h ago","full":"Wed Nov 11, 9:58 PM CST","utc_text":"2026-11-12 03:58 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":"MjAyNi0xMS0xMlQwMzo1ODoxMy4xNDUzNTUrMDA6MDB8ODIzOA","measure":{"chips":[["Next","9:58 PM–11:28 PM CST"],["Tight turns","5 of 42"],["Share","12%"]],"rows":[["Departures scheduled","9:58 PM–11:28 PM CST · 49 departures, aircraft known for 42"],["Tight turns","5 (12%) with the inbound due under 35 min before departure"],["Inbound not yet in","0 not taken off · 1 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","AA 499 to CID at 10:30 PM: aircraft N828AW, inbound AA 2656 from IND (airborne), 19 min to turn"],["Tightest","OO 5609 to ATW at 10:00 PM: aircraft N782SK, inbound OO 5336 from MEM (landed), 22 min to turn"],["Tightest","AA 2392 to SEA at 9:58 PM: aircraft N458AL, inbound AA 3012 from PIT (landed), 24 min to turn"],["Tightest","YX 4379 to GRR at 10:34 PM: aircraft N430YX, inbound YX 4484 from CLE (landed), 25 min to turn"],["Tightest","YX 4765 to CVG at 10:18 PM: aircraft N114HQ, inbound YX 4711 from DSM (landed), 34 min to turn"]]},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":2,"latest_update_id":8238,"status_label":"Resolved","n_match":2,"sources":[{"label":"Tailodds measurement of FAA flight plans and arrival estimates against airline schedules","url":null,"role":"primary","source":"tailodds_inbound"}],"corrections":[]},{"id":4455,"event_id":1984,"slug":"1984-ord-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":"O'Hare: 17 of 56 departures in the next 90 min have their aircraft due in with under 35 min to turn","body":"Of the 98 departures scheduled from O'Hare (ORD) between 8:27 PM and 9:57 PM CDT, FAA flight plans name the aircraft for 56. For 17 of those, the aircraft’s previous flight into ORD 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":["ORD"],"metros":["CHI"],"direction":"departures","direction_label":"departures","published":{"utc":"2026-11-01T01:27:29.781079Z","time":"8:27 PM","zone":"CDT","date":"Oct 31","ago":"12 days ago","full":"Sat Oct 31, 8:27 PM CDT","utc_text":"2026-11-01 01:27 UTC"},"source_event":{"utc":"2026-11-01T01:27:00Z","time":"8:27 PM","zone":"CDT","date":"Oct 31","ago":"12 days ago","full":"Sat Oct 31, 8:27 PM CDT","utc_text":"2026-11-01 01:27 UTC"},"ingested":{"utc":"2026-11-01T01:27:28.529253Z","time":"8:27 PM","zone":"CDT","date":"Oct 31","ago":"12 days ago","full":"Sat Oct 31, 8:27 PM CDT","utc_text":"2026-11-01 01:27 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":"MjAyNi0xMS0wMVQwMToyNzoyOS43ODEwNzkrMDA6MDB8NDQ1NQ","measure":{"chips":[["Next","8:27 PM–9:57 PM CDT"],["Tight turns","17 of 56"],["Share","30%"]],"rows":[["Departures scheduled","8:27 PM–9:57 PM CDT · 98 departures, aircraft known for 56"],["Tight turns","17 (30%) 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","AA 3127 to CHS at 8:41 PM: aircraft N958NN, inbound AA 3160 from BOS (landed), -2 min to turn"],["Tightest","B6 1012 to BOS at 8:31 PM: aircraft N3271J, inbound B6 811 from BOS (landed), 2 min to turn"],["Tightest","YX 3614 to CMH at 9:26 PM: aircraft N725YX, inbound YX 3662 from CMH (not departed), 6 min to turn"],["Tightest","YX 4445 to CMH at 8:54 PM: aircraft N440YX, inbound YX 4523 from BWI (airborne), 8 min to turn"],["Tightest","G7 4461 to BHM at 9:37 PM: aircraft N540GJ, inbound G7 4406 from XNA (airborne), 18 min to turn"]]},"lifecycle":"resolved","has_correction":false,"has_retraction":false,"update_count":1,"latest_update_id":4455,"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":[]}],"next_cursor":null,"top_cursor":"MjAyNi0xMS0xMlQwMzo1ODoxMy4xNDUzNTUrMDA6MDB8ODIzOA","flight_routes":null,"html":["\n\n\n<article class=\"wi sev-info\" data-id=\"8238\" data-event=\"3583\" data-cursor=\"MjAyNi0xMS0xMlQwMzo1ODoxMy4xNDUzNTUrMDA6MDB8ODIzOA\" aria-labelledby=\"wi-h-8238\">\n  <div class=\"wi-t\">\n    <time datetime=\"2026-11-12T03:58:13.145355Z\" title=\"2026-11-12 03:58 UTC · Wed Nov 11, 9:58 PM CST\">9:58 PM</time>\n    <span class=\"wi-z\">CST, Nov 11</span>\n    <span class=\"wi-ago\" data-ago=\"2026-11-12T03:58:13.145355Z\">33 h ago</span>\n  </div>\n  <div class=\"wi-main\">\n    \n    <div class=\"wi-meta\">\n      <span class=\"ev ev-observed\" title=\"Tailodds measured a change in actual operations.\"><svg aria-hidden=\"true\"><use href=\"#wi-eye\"/></svg>Observed</span>\n      <span class=\"sev sev-info\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span>Informational</span>\n      <span class=\"st st-resolved\" title=\"The event's current status\">Resolved</span>\n      \n      <span class=\"wi-kind\">Recovery</span>\n      <span class=\"wi-type\">Inbound aircraft</span>\n      <a class=\"apt\" href=\"/airport/ORD\">ORD</a>\n      <span class=\"wi-dir\">departures</span>\n      \n      \n    </div>\n    <h3 id=\"wi-h-8238\"><a href=\"/wire/events/3583-ord-aircraft-turns#u-8238\">O&#39;Hare aircraft turns back near normal: 5 of 42 departures in the next 90 min are tight</a></h3>\n    <p class=\"wi-changed\"><b>What changed:</b> tight share 41% at worst → 12% now</p>\n    \n    <p class=\"wi-body\">Of the 49 departures scheduled from O&#39;Hare (ORD) between 9:58 PM and 11:28 PM CST, FAA flight plans name the aircraft for 42. For 5 of those, the aircraft’s previous flight into ORD 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    \n    <p class=\"wi-facts\"><span>Next <b>9:58 PM–11:28 PM CST</b></span><span>Tight turns <b>5 of 42</b></span><span>Share <b>12%</b></span></p>\n    \n    \n    <div class=\"wi-foot\">\n      <span class=\"wi-src\">Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedules</span>\n      <a href=\"/wire/events/3583-ord-aircraft-turns#u-8238\" data-act=\"open\">Timeline (2)</a>\n      <a class=\"wi-more\" href=\"/wire/events/3583-ord-aircraft-turns\">1 earlier matching update</a>\n      <a href=\"/airport/ORD\" data-act=\"view_airport\">View ORD</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"3583\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/3583-ord-aircraft-turns\">Copy link</button>\n    </div>\n  </div>\n</article>\n","\n\n\n<article class=\"wi sev-significant\" data-id=\"4455\" data-event=\"1984\" data-cursor=\"MjAyNi0xMS0wMVQwMToyNzoyOS43ODEwNzkrMDA6MDB8NDQ1NQ\" aria-labelledby=\"wi-h-4455\">\n  <div class=\"wi-t\">\n    <time datetime=\"2026-11-01T01:27:29.781079Z\" title=\"2026-11-01 01:27 UTC · Sat Oct 31, 8:27 PM CDT\">8:27 PM</time>\n    <span class=\"wi-z\">CDT, Oct 31</span>\n    <span class=\"wi-ago\" data-ago=\"2026-11-01T01:27:29.781079Z\">12 days ago</span>\n  </div>\n  <div class=\"wi-main\">\n    \n    <div class=\"wi-meta\">\n      <span class=\"ev ev-observed\" title=\"Tailodds measured a change in actual operations.\"><svg aria-hidden=\"true\"><use href=\"#wi-eye\"/></svg>Observed</span>\n      <span class=\"sev sev-significant\"><span class=\"bars\" aria-hidden=\"true\"><i></i><i></i><i></i></span>Significant</span>\n      <span class=\"st st-resolved\" title=\"The event's current status\">Resolved</span>\n      \n      \n      <span class=\"wi-type\">Inbound aircraft</span>\n      <a class=\"apt\" href=\"/airport/ORD\">ORD</a>\n      <span class=\"wi-dir\">departures</span>\n      \n      \n    </div>\n    <h3 id=\"wi-h-4455\"><a href=\"/wire/events/1984-ord-aircraft-turns#u-4455\">O&#39;Hare: 17 of 56 departures in the next 90 min have their aircraft due in with under 35 min to turn</a></h3>\n    \n    \n    <p class=\"wi-body\">Of the 98 departures scheduled from O&#39;Hare (ORD) between 8:27 PM and 9:57 PM CDT, FAA flight plans name the aircraft for 56. For 17 of those, the aircraft’s previous flight into ORD 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    \n    <p class=\"wi-facts\"><span>Next <b>8:27 PM–9:57 PM CDT</b></span><span>Tight turns <b>17 of 56</b></span><span>Share <b>30%</b></span></p>\n    \n    \n    <div class=\"wi-foot\">\n      <span class=\"wi-src\">Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedules</span>\n      <a href=\"/wire/events/1984-ord-aircraft-turns#u-4455\" data-act=\"open\">Timeline (1)</a>\n      \n      <a href=\"/airport/ORD\" data-act=\"view_airport\">View ORD</a>\n      <button type=\"button\" class=\"linkbtn\" data-follow=\"1984\">Follow</button>\n      <button type=\"button\" class=\"linkbtn\" data-copy=\"/wire/events/1984-ord-aircraft-turns\">Copy link</button>\n    </div>\n  </div>\n</article>\n"],"filters":"type=inbound_risk&airport=ORD"}