tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 74 minLightning 224 h staleWeather observations no data staleFAA surface data 5 minFAA flight data 5 min

FAA NAS status is stale (224 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (224 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 Resolved Delay BWI departures

BWI departure delays worsen: 88% late in the last hour

Current state
Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
Started
Latest activity
Updates
4
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: 55% left 15+ min late in the last hour

    Of 20 departures that took off between 3:23 PM and 4:23 PM EDT, 11 left at least 15 minutes late. BWI typically sees 34% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 3 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window3:23 PM–4:23 PM EDT
    Sample20 flights, 11 late (55%)
    Comparison34% typical · US DOT on-time data, last 12 published months, departures in the 3 PM hour
    Median delay21.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-18 20:23 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: 85% late in the last hour

    What changed: late share 55% → 85%

    Of 20 departures that took off between 8:28 PM and 9:28 PM EDT, 17 left at least 15 minutes late. BWI typically sees 41% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window8:28 PM–9:28 PM EDT
    Sample20 flights, 17 late (85%)
    Comparison41% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour
    Median delay35.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 01:28 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: 71% late in the last hour, still above normal

    What changed: late share 85% → 71%

    Of 21 departures that took off between 8:48 PM and 9:48 PM EDT, 15 left at least 15 minutes late. BWI typically sees 42% 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.

    Evidence for this update
    Measurement window8:48 PM–9:48 PM EDT
    Sample21 flights, 15 late (71%)
    Comparison42% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay24.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 01:48 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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  4. Escalation Observed

    BWI departure delays worsen: 88% late in the last hour

    What changed: late share 71% → 88%

    Of 16 departures that took off between 10:28 PM and 11:28 PM EDT, 14 left at least 15 minutes late. BWI typically sees 52% 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.

    Evidence for this update
    Measurement window10:28 PM–11:28 PM EDT
    Sample16 flights, 14 late (88%)
    Comparison52% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour
    Median delay22.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 03:28 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 Oct 19, 5:30 AM EDT: No usable measurement for 6 h; closed without a recovery report.