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
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
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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 window 9:53 AM–10:53 AM EST Sample 37 flights, 21 late (57%) Comparison 18% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour Median delay 18.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 10:15 AM–11:15 AM EST Sample 35 flights, 23 late (66%) Comparison 18% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour Median delay 20.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 10:52 AM–11:52 AM EST Sample 29 flights, 15 late (52%) Comparison 17% typical · US DOT on-time data, last 12 published months, departures in the 11 AM hour Median delay 17.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 12:02 PM–1:02 PM EST Sample 30 flights, 20 late (67%) Comparison 19% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour Median delay 39.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 1:05 PM–2:05 PM EST Sample 14 flights, 8 late (57%) Comparison 21% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour Median delay 35.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 1:26 PM–2:26 PM EST Sample 20 flights, 13 late (65%) Comparison 21% typical · US DOT on-time data, last 12 published months, departures in the 1 PM hour Median delay 64.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 2:23 PM–3:23 PM EST Sample 20 flights, 11 late (55%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour Median delay 19.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
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 window 6:32 PM–7:32 PM EST Sample 15 flights, 13 late (87%) Comparison 30% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 53.0 min Method FAA 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) Sources Tailodds measurement of FAA flight data against airline schedules Provenance observed_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1 Was this useful?
Closed Sat Nov 14, 5:31 AM EST: No usable measurement for 6 h; closed without a recovery report.