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Observed Significant Resolved Delay DCA departures

National departures back near normal: 14% late in the last hour

Current state
Resolved at 2:28 PM EST
Started
Latest activity
Updates
3
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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

    National departures running late: 73% left 15+ min late in the last hour

    Of 15 departures that took off between 12:07 PM and 1:07 PM EST, 11 left at least 15 minutes late. National 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.

    Evidence for this update
    Measurement window12:07 PM–1:07 PM EST
    Sample15 flights, 11 late (73%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
    Median delay30.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-11 18:07 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. De-escalation Observed

    National departure delays ease: 48% late in the last hour, still above normal

    What changed: late share 73% → 48%

    Of 31 departures that took off between 12:35 PM and 1:35 PM EST, 15 left at least 15 minutes late. National typically sees 27% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 1 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window12:35 PM–1:35 PM EST
    Sample31 flights, 15 late (48%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 1 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 (2026-11-11 18:35 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. Recovery Observed

    National departures back near normal: 14% late in the last hour

    What changed: late share 73% at worst → 14% now

    Of 28 departures that took off between 1:28 PM and 2:28 PM EST, 4 left at least 15 minutes late. National typically sees 27% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 1 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.

    Evidence for this update
    Measurement window1:28 PM–2:28 PM EST
    Sample28 flights, 4 late (14%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay-4.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-11 19:28 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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