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 229 hstaleForecast cycle 1 hLightning 229 hstaleWeather observations no datastaleFAA surface data 1 minFAA flight data 2 min
FAA NAS status is stale (229 h old).
No FAA restriction can start or end on the wire until it is fresh again.
Lightning is stale (229 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 31 departures that took off between 11:48 AM and 12:48 PM EST, 16 left at least 15 minutes late. Miami typically sees 24% 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.
Of 20 departures that took off between 11:04 AM and 12:04 PM EST, 16 left at least 15 minutes late. Miami typically sees 23% 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 71 departures scheduled from Miami 9 PM–midnight Friday an average 50% chance of leaving 15+ minutes late. With calm weather the same flights would average 29%. From the 11:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 110 departures scheduled from Miami 6–9 PM Friday an average 55% chance of leaving 15+ minutes late. With calm weather the same flights would average 33%. From the 11:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 92 departures scheduled from Miami 3–6 PM Friday an average 51% chance of leaving 15+ minutes late. With calm weather the same flights would average 31%. From the 11:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 94 departures scheduled from Miami noon–3 PM Friday an average 46% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 11:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 26 departures that took off between 10:44 AM and 11:44 AM EST, 15 left at least 15 minutes late. Miami typically sees 23% 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.
Window 10:44 AM–11:44 AM ESTSample 26 flightsLate 58%Typical 23%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (3)View MIA
Of 17 arrivals that landed between 6:52 AM and 7:52 AM EST, 3 reached the gate at least 15 minutes late. Typically 22% of arrivals at Miami 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.
Window 6:52 AM–7:52 AM ESTSample 17 flightsLate 18%Typical 22%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (4)View MIA
Of 12 arrivals that landed between 12:21 AM and 1:21 AM EST, 7 reached the gate at least 15 minutes late. Typically 22% of arrivals at Miami arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.
Window 12:21 AM–1:21 AM ESTSample 12 flightsLate 58%Typical 22%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (4)View MIA
Of 18 departures that took off between 11:06 PM and 12:06 AM EST, 13 left at least 15 minutes late. Miami typically sees 28% 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.
Window 11:06 PM–12:06 AM ESTSample 18 flightsLate 72%Typical 28%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (2)View MIA
Of 32 departures that took off between 10:37 PM and 11:37 PM EST, 20 left at least 15 minutes late. Miami typically sees 28% 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.
Of 16 arrivals that landed between 10:00 PM and 11:00 PM EST, 13 reached the gate at least 15 minutes late. Typically 22% of arrivals at Miami 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 29 arrivals that landed between 7:58 PM and 8:58 PM EST, 15 reached the gate at least 15 minutes late. Typically 22% of arrivals at Miami 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 33 departures that took off between 6:20 PM and 7:20 PM EST, 8 left at least 15 minutes late. Miami typically sees 34% 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.
Tailodds’ model gives the 67 departures scheduled from Miami 9 PM–midnight Thursday an average 35% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 3:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 30 departures that took off between 1:40 PM and 2:40 PM EST, 17 left at least 15 minutes late. Miami typically sees 28% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 2 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Of 25 departures that took off between 12:08 PM and 1:08 PM EST, 18 left at least 15 minutes late. Miami typically sees 24% 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.
Tailodds’ model gives the 67 departures scheduled from Miami 9 PM–midnight Thursday an average 44% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 12:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 111 departures scheduled from Miami 6–9 PM Thursday an average 47% chance of leaving 15+ minutes late. With calm weather the same flights would average 32%. From the 12:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Tailodds’ model gives the 89 departures scheduled from Miami 3–6 PM Thursday an average 45% chance of leaving 15+ minutes late. With calm weather the same flights would average 29%. From the 12:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Of 25 departures that took off between 11:47 AM and 12:47 PM EST, 14 left at least 15 minutes late. Miami typically sees 24% 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.
Of 25 departures that took off between 11:21 AM and 12:21 PM EST, 17 left at least 15 minutes late. Miami typically sees 23% 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.
Of 27 departures that took off between 9:42 AM and 10:42 AM EST, 11 left at least 15 minutes late. Miami typically sees 17% 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.
Window 9:42 AM–10:42 AM ESTSample 27 flightsLate 41%Typical 17%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (7)View MIA
Of 18 departures that took off between 9:14 AM and 10:14 AM EST, 11 left at least 15 minutes late. Miami typically sees 15% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 9 AM hour). Measured by Tailodds from FAA flight data against airline schedules.
Window 9:14 AM–10:14 AM ESTSample 18 flightsLate 61%Typical 15%
Source: Tailodds measurement of FAA flight data against airline schedulesTimeline (7)View MIA
Of 30 departures that took off between 9:43 PM and 10:43 PM EST, 2 left at least 15 minutes late. Miami typically sees 30% 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. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.