Partly stale · checked FAA NAS status 221 h staleForecast cycle 1 hLightning 221 h staleWeather observations no data staleFAA surface data 2 minFAA flight data 3 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.

Observed Major Developing Delay MIA departures

Miami departure delays worsen: 72% late in the last hour

Current state
Developing
Started
Latest activity
Updates
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Create monitor View MIAFlights at MIA

Tailodds reports what the FAA publishes, what we measure and what our model forecasts. It doesn’t control airport operations or change bookings; check with your airline about your trip.

Updates oldest first

  1. Initial Observed

    Miami departures running late: 62% left 15+ min late in the last hour

    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.

    Evidence for this update
    Measurement window10:37 PM–11:37 PM EST
    Sample32 flights, 20 late (62%)
    Comparison28% typical · US DOT on-time data, last 12 published months, departures in the 11 PM hour
    Median delay42.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-13 04:37 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
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  2. Escalation Observed

    Miami departure delays worsen: 72% late in the last hour

    What changed: late share 62% → 72%

    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.

    Evidence for this update
    Measurement window11:06 PM–12:06 AM EST
    Sample18 flights, 13 late (72%)
    Comparison28% typical · US DOT on-time data, last 12 published months, departures in the 11 PM hour
    Median delay50.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-13 05:06 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
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