tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 1 hLightning 224 h staleWeather observations no data staleFAA surface data 4 minFAA flight data 4 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 arrivals

National arrivals running late: 56% reached the gate 15+ min 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
1
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 arrivals running late: 56% reached the gate 15+ min late in the last hour

    Of 18 arrivals that landed between 10:31 PM and 11:31 PM EST, 10 reached the gate at least 15 minutes late. Typically 28% of arrivals at National arrive that late (US DOT on-time data, last 12 published months, all arrivals). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window10:31 PM–11:31 PM EST
    Sample18 flights, 10 late (56%)
    Comparison28% typical · US DOT on-time data, last 12 published months, all arrivals
    Median delay29.1 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-03 04:31 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 Tue Nov 3, 6:04 AM EST: No usable measurement for 6 h; closed without a recovery report.