Sourced developments at US airports: what the FAA reports at every airport, and what we measure and our model forecasts at the busiest ones.
Partly stale · checked FAA NAS status 221 hstaleForecast cycle 1 hLightning 221 hstaleWeather observations no datastaleFAA surface data 2 minFAA flight data 2 min
FAA NAS status is stale (221 h old).
No FAA restriction can start or end on the wire until it is fresh again.
Lightning is stale (221 h old).
Lightning items are paused; thunderstorm items still come from official observations.
Weather observations is stale.
Weather items are paused until it is fresh again; missing observations never end a weather event.
Of 13 arrivals that landed between 10:33 PM and 11:33 PM EST, 6 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
5 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of 20 departures that took off between 8:37 PM and 9:37 PM EST, 9 left at least 15 minutes late. Fort Lauderdale typically sees 52% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 9 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
7 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Tailodds’ model gives the 15 departures scheduled from Fort Lauderdale 9 PM–midnight Thursday an average 68% chance of leaving 15+ minutes late. With calm weather the same flights would average 44%. From the 7:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
▲ 67% → 67% since the 2:00 PM EST forecast (same model, same window)
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Tailodds’ model gives the 75 departures scheduled from Fort Lauderdale 6–9 PM Thursday an average 67% chance of leaving 15+ minutes late. With calm weather the same flights would average 42%. From the 4:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
▼ 57% → 56% since the 12:00 PM EST forecast (same model, same window)
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Tailodds’ model gives the 56 departures scheduled from Fort Lauderdale 3–6 PM Thursday an average 56% chance of leaving 15+ minutes late. With calm weather the same flights would average 31%. From the 1:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 17 arrivals that landed between 12:53 PM and 1:53 PM EST, 4 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale 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 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.
2 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Tailodds’ model gives the 65 departures scheduled from Fort Lauderdale noon–3 PM Thursday an average 43% chance of leaving 15+ minutes late. With calm weather the same flights would average 26%. From the 10:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 22 departures that took off between 6:29 PM and 7:29 PM EST, 4 left at least 15 minutes late. Fort Lauderdale typically sees 40% 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.
2 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of 21 arrivals that landed between 11:15 PM and 12:15 AM EST, 11 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
1 update · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of 13 arrivals that landed between 11:56 PM and 12:56 AM EST, 10 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
2 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of the 31 departures scheduled from Fort Lauderdale (FLL) between 8:27 PM and 9:57 PM EST, FAA flight plans name the aircraft for 28. For 3 of those, the aircraft’s previous flight into FLL 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.
2 updates · Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedulesOpen event ›View FLL
Of 29 departures that took off between 12:30 PM and 1:30 PM EST, 16 left at least 15 minutes late. Fort Lauderdale typically sees 33% 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.
1 update · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Tailodds’ model gives the 65 departures scheduled from Fort Lauderdale 6–9 PM Saturday an average 46% chance of leaving 15+ minutes late. With calm weather the same flights would average 43%. From the 5:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 13 departures that took off between 4:01 PM and 5:01 PM EST, 3 left at least 15 minutes late. Fort Lauderdale typically sees 40% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 4 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.
2 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Tailodds’ model gives the 53 departures scheduled from Fort Lauderdale 3–6 PM Saturday an average 49% chance of leaving 15+ minutes late. With calm weather the same flights would average 33%. From the 10:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 19 arrivals that landed between 11:18 PM and 12:18 AM EST, 13 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
6 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
▼ 72% → 71% since the 6:00 PM EST forecast (same model, same window)
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Tailodds’ model gives the 16 departures scheduled from Fort Lauderdale 9 PM–midnight Friday an average 71% chance of leaving 15+ minutes late. With calm weather the same flights would average 49%. From the 7:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of the 39 departures scheduled from Fort Lauderdale (FLL) between 6:32 PM and 8:02 PM EST, FAA flight plans name the aircraft for 29. For 9 of those, the aircraft’s previous flight into FLL 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); 2 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.
1 update · Source: Tailodds measurement of FAA flight plans and arrival estimates against airline schedulesOpen event ›View FLL
▼ 71% → 66% since the 4:00 PM EST forecast (same model, same window)
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Tailodds’ model gives the 90 departures scheduled from Fort Lauderdale 6–9 PM Friday an average 66% chance of leaving 15+ minutes late. With calm weather the same flights would average 44%. From the 5:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 12 arrivals that landed between 3:17 PM and 4:17 PM EST, 2 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale 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 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.
2 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of 15 departures that took off between 3:17 PM and 4:17 PM EST, 9 left at least 15 minutes late. Fort Lauderdale typically sees 37% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 3 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
3 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
▲ 50% → 61% since the 11:00 AM EST forecast (same model, same window)
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Tailodds’ model gives the 63 departures scheduled from Fort Lauderdale 3–6 PM Friday an average 61% chance of leaving 15+ minutes late. With calm weather the same flights would average 36%. From the 1:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 82 departures scheduled from Fort Lauderdale 9 AM–noon Thursday an average 25% chance of leaving 15+ minutes late. With calm weather the same flights would average 24%. From the 1:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 14 arrivals that landed between 10:25 PM and 11:25 PM EST, 8 reached the gate at least 15 minutes late. Typically 27% of arrivals at Fort Lauderdale arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
1 update · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
Of 21 departures that took off between 10:00 AM and 11:00 AM EST, 5 left at least 15 minutes late. Fort Lauderdale typically sees 21% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 AM 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.
3 updates · Source: Tailodds measurement of FAA flight data against airline schedulesOpen event ›View FLL
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Observed
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Forecast
Our model predicts it, with its probability, target, horizon and model version. It has not happened. How accurate is it?