Partly stale · checked FAA NAS status 221 h staleForecast cycle 1 hLightning 221 h staleWeather observations no data staleFAA surface data 4 minFAA flight data 4 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 Significant Resolved Delay IAH departures

Bush departures back near normal: 7% late in the last hour

Current state
Resolved at 10:26 AM CST
Started
Latest activity
Updates
2
Create monitor View IAHFlights at IAH

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

    Bush departures running late: 46% left 15+ min late in the last hour

    Of 13 departures that took off between 8:39 AM and 9:39 AM CST, 6 left at least 15 minutes late. Bush typically sees 14% 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.

    Evidence for this update
    Measurement window8:39 AM–9:39 AM CST
    Sample13 flights, 6 late (46%)
    Comparison14% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay9.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-04 15:39 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. Recovery Observed

    Bush departures back near normal: 7% late in the last hour

    What changed: late share 46% at worst → 7% now

    Of 67 departures that took off between 9:26 AM and 10:26 AM CST, 5 left at least 15 minutes late. Bush typically sees 14% 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. The late share has stayed at or below 24% for 31 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window9:26 AM–10:26 AM CST
    Sample67 flights, 5 late (7%)
    Comparison14% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay-5.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-04 16:26 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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