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 223 hstaleForecast cycle 1 hLightning 223 hstaleWeather observations no datastaleFAA surface data 4 minFAA flight data 4 min
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Of 13 arrivals that landed between 7:45 PM and 8:45 PM CST, 6 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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: 69% → 66% since the 4:00 PM CST forecast (same model, same window)
Tailodds’ model gives the 26 departures scheduled from Nashville 9 PM–midnight Thursday an average 66% chance of leaving 15+ minutes late. With calm weather the same flights would average 51%. From the 6:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 22 arrivals that landed between 4:28 PM and 5:28 PM CST, 5 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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.
Tailodds’ model gives the 67 departures scheduled from Nashville 3–6 PM Thursday an average 51% chance of leaving 15+ minutes late. With calm weather the same flights would average 36%. From the 2:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 79 departures scheduled from Nashville 6–9 PM Thursday an average 52% chance of leaving 15+ minutes late. With calm weather the same flights would average 34%. From the 1:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 16 departures that took off between 1:19 PM and 2:19 PM CST, 9 left at least 15 minutes late. Nashville typically sees 32% 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.
Of 21 departures that took off between 7:05 PM and 8:05 PM CST, 15 left at least 15 minutes late. Nashville typically sees 44% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Of 14 arrivals that landed between 10:37 PM and 11:37 PM CST, 7 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
Tailodds’ model gives the 29 departures scheduled from Nashville 9 PM–midnight Monday an average 52% chance of leaving 15+ minutes late. With calm weather the same flights would average 45%. From the 7:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 74 departures scheduled from Nashville 6–9 PM Monday an average 50% chance of leaving 15+ minutes late. With calm weather the same flights would average 34%. From the 4:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 17 arrivals that landed between 9:29 PM and 10:29 PM CST, 9 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
Of 15 departures that took off between 9:19 PM and 10:19 PM CST, 11 left at least 15 minutes late. Nashville typically sees 47% 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.
Of 20 arrivals that landed between 8:56 PM and 9:56 PM CST, 5 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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.
Tailodds’ model gives the 28 departures scheduled from Nashville 9 PM–midnight Sunday an average 62% chance of leaving 15+ minutes late. With calm weather the same flights would average 43%. From the 4:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 18 departures that took off between 10:14 PM and 11:14 PM CST, 13 left at least 15 minutes late. Nashville typically sees 51% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Of 23 arrivals that landed between 8:34 PM and 9:34 PM CST, 10 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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: 75% → 76% since the 2:00 PM CST forecast (same model, same window)
Tailodds’ model gives the 45 departures scheduled from Nashville 9 PM–midnight Friday an average 76% chance of leaving 15+ minutes late. With calm weather the same flights would average 53%. From the 7:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
What changed: 54% → 66% since the 11:00 AM CST forecast (same model, same window)
Tailodds’ model gives the 113 departures scheduled from Nashville 3–6 PM Friday an average 66% chance of leaving 15+ minutes late. With calm weather the same flights would average 40%. From the 2:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
What changed: 55% → 67% since the 10:00 AM CST forecast (same model, same window)
Tailodds’ model gives the 112 departures scheduled from Nashville 6–9 PM Friday an average 67% chance of leaving 15+ minutes late. With calm weather the same flights would average 38%. From the 1:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 111 departures scheduled from Nashville noon–3 PM Friday an average 48% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 3:00 AM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 28 arrivals that landed between 9:07 PM and 10:07 PM CST, 8 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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.
Tailodds’ model gives the 46 departures scheduled from Nashville 9 PM–midnight Thursday an average 59% chance of leaving 15+ minutes late. With calm weather the same flights would average 42%. From the 5:00 PM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 22 arrivals that landed between 7:06 PM and 8:06 PM CST, 5 reached the gate at least 15 minutes late. Typically 23% of arrivals at Nashville 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.
Of 14 departures that took off between 11:19 AM and 12:19 PM CST, 7 left at least 15 minutes late. Nashville typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 AM hour). Measured by Tailodds from FAA flight data against airline schedules.
Tailodds’ model gives the 104 departures scheduled from Nashville noon–3 PM Wednesday an average 43% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 11:00 AM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
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