Partly stale · checked FAA NAS status 221 h staleForecast cycle 61 minLightning 221 h staleWeather observations no data staleFAA surface data 6 minFAA flight data 6 min

FAA NAS status is stale (221 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (221 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 Developing Delay EWR departures

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

Current state
Developing
Started
Latest activity
Updates
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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

    Newark departures running late: 87% left 15+ min late in the last hour

    Of 15 departures that took off between 12:53 PM and 1:53 PM EST, 13 left at least 15 minutes late. Newark typically sees 19% 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 window12:53 PM–1:53 PM EST
    Sample15 flights, 13 late (87%)
    Comparison19% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay39.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-12 18:53 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

    Newark departure delays ease: 65% late in the last hour, still above normal

    What changed: late share 87% → 65%

    Of 17 departures that took off between 8:20 PM and 9:20 PM EST, 11 left at least 15 minutes late. Newark typically sees 33% 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 window8:20 PM–9:20 PM EST
    Sample17 flights, 11 late (65%)
    Comparison33% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour
    Median delay67.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-13 02:20 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. Escalation Observed

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

    What changed: late share 65% → 75%

    Of 20 departures that took off between 8:53 PM and 9:53 PM EST, 15 left at least 15 minutes late. Newark typically sees 29% 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 window8:53 PM–9:53 PM EST
    Sample20 flights, 15 late (75%)
    Comparison29% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay95.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-13 02:53 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?