tailodds FORECAST
Partly stale · checked FAA NAS status 223 h staleForecast cycle 76 minLightning 223 h staleWeather observations no data staleFAA surface data 6 minFAA flight data 5 min

FAA NAS status is stale (223 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (223 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 BWI departures

BWI departure delays ease: 40% late in the last hour, still above normal

Current state
Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
Started
Latest activity
Updates
3
Create monitor View BWIFlights at BWI

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

    BWI departures running late: 40% left 15+ min late in the last hour

    Of 25 departures that took off between 10:38 AM and 11:38 AM EST, 10 left at least 15 minutes late. BWI typically sees 19% 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.

    Evidence for this update
    Measurement window10:38 AM–11:38 AM EST
    Sample25 flights, 10 late (40%)
    Comparison19% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour
    Median delay6.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-08 16:38 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

    BWI departure delays worsen: 75% late in the last hour

    What changed: late share 40% → 75%

    Of 16 departures that took off between 7:05 PM and 8:05 PM EST, 12 left at least 15 minutes late. BWI typically sees 38% 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.

    Evidence for this update
    Measurement window7:05 PM–8:05 PM EST
    Sample16 flights, 12 late (75%)
    Comparison38% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay34.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-09 01:05 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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  3. De-escalation Observed

    BWI departure delays ease: 40% late in the last hour, still above normal

    What changed: late share 75% → 40%

    Of 20 departures that took off between 7:25 PM and 8:25 PM EST, 8 left at least 15 minutes late. BWI typically sees 38% 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.

    Evidence for this update
    Measurement window7:25 PM–8:25 PM EST
    Sample20 flights, 8 late (40%)
    Comparison38% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay14.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-09 01:25 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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Closed Mon Nov 9, 5:37 AM EST: No usable measurement for 6 h; closed without a recovery report.