tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 1 hLightning 224 h staleWeather observations no data staleFAA surface data 7 minFAA flight data 6 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 Significant Resolved Delay DCA departures

National departures back near normal: 6% late in the last hour

Current state
Resolved at 1:38 PM EDT
Started
Latest activity
Updates
2
Create monitor View DCAFlights at DCA

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: 44% left 15+ min late in the last hour

    Of 25 departures that took off between 9:22 AM and 10:22 AM EDT, 11 left at least 15 minutes late. National typically sees 19% 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 window9:22 AM–10:22 AM EDT
    Sample25 flights, 11 late (44%)
    Comparison19% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay12.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-26 14:22 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  2. Recovery Observed

    National departures back near normal: 6% late in the last hour

    What changed: late share 48% at worst → 6% now

    Of 18 departures that took off between 12:38 PM and 1:38 PM EDT, 1 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 window12:38 PM–1:38 PM EDT
    Sample18 flights, 1 late (6%)
    Comparison27% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay0.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-26 17:38 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?