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Observed Major Resolved Delay JFK departures

JFK departure delays worsen: 87% 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
8
Create monitor View JFKFlights at JFK

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

    JFK departures running late: 57% left 15+ min late in the last hour

    Of 37 departures that took off between 9:53 AM and 10:53 AM EST, 21 left at least 15 minutes late. JFK typically sees 18% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window9:53 AM–10:53 AM EST
    Sample37 flights, 21 late (57%)
    Comparison18% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay18.0 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 15:53 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. Escalation Observed

    JFK departure delays worsen: 66% late in the last hour

    What changed: late share 57% → 66%

    Of 35 departures that took off between 10:15 AM and 11:15 AM EST, 23 left at least 15 minutes late. JFK typically sees 18% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window10:15 AM–11:15 AM EST
    Sample35 flights, 23 late (66%)
    Comparison18% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay20.0 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 16:16 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

    JFK departure delays ease: 52% late in the last hour, still above normal

    What changed: late share 66% → 52%

    Of 29 departures that took off between 10:52 AM and 11:52 AM EST, 15 left at least 15 minutes late. JFK typically sees 17% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 11 AM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window10:52 AM–11:52 AM EST
    Sample29 flights, 15 late (52%)
    Comparison17% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour
    Median delay17.0 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 16:52 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

    JFK departure delays worsen: 67% late in the last hour

    What changed: late share 52% → 67%

    Of 30 departures that took off between 12:02 PM and 1:02 PM EST, 20 left at least 15 minutes late. JFK typically sees 19% 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 window12:02 PM–1:02 PM EST
    Sample30 flights, 20 late (67%)
    Comparison19% typical · US DOT on-time data, last 12 published months, departures in the 12 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 (2026-11-13 18:02 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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  5. De-escalation Observed

    JFK departure delays ease: 57% late in the last hour, still above normal

    What changed: late share 67% → 57%

    Of 14 departures that took off between 1:05 PM and 2:05 PM EST, 8 left at least 15 minutes late. JFK typically sees 21% 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 window1:05 PM–2:05 PM EST
    Sample14 flights, 8 late (57%)
    Comparison21% typical · US DOT on-time data, last 12 published months, departures in the 1 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 (2026-11-13 19:05 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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  6. Escalation Observed

    JFK departure delays worsen: 65% late in the last hour

    What changed: late share 57% → 65%

    Of 20 departures that took off between 1:26 PM and 2:26 PM EST, 13 left at least 15 minutes late. JFK typically sees 21% 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 window1:26 PM–2:26 PM EST
    Sample20 flights, 13 late (65%)
    Comparison21% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour
    Median delay64.0 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 19:26 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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  7. De-escalation Observed

    JFK departure delays ease: 55% late in the last hour, still above normal

    What changed: late share 65% → 55%

    Of 20 departures that took off between 2:23 PM and 3:23 PM EST, 11 left at least 15 minutes late. JFK typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 2 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window2:23 PM–3:23 PM EST
    Sample20 flights, 11 late (55%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
    Median delay19.0 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 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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  8. Escalation Observed

    JFK departure delays worsen: 87% late in the last hour

    What changed: late share 55% → 87%

    Of 15 departures that took off between 6:32 PM and 7:32 PM EST, 13 left at least 15 minutes late. JFK typically sees 30% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window6:32 PM–7:32 PM EST
    Sample15 flights, 13 late (87%)
    Comparison30% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay53.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-14 00:32 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 Sat Nov 14, 5:31 AM EST: No usable measurement for 6 h; closed without a recovery report.