Philadelphia departure delays worsen: 71% 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
- 6
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
Philadelphia departures running late: 58% left 15+ min late in the last hour
Of 19 departures that took off between 8:27 AM and 9:27 AM EST, 11 left at least 15 minutes late. Philadelphia typically sees 12% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 AM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 8:27 AM–9:27 AM EST Sample 19 flights, 11 late (58%) Comparison 12% typical · US DOT on-time data, last 12 published months, departures in the 8 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 (2026-11-06 14:27 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
Philadelphia departure delays worsen: 90% late in the last hour
What changed: late share 58% → 90%
Of 21 departures that took off between 8:48 AM and 9:48 AM EST, 19 left at least 15 minutes late. Philadelphia typically sees 14% 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 window 8:48 AM–9:48 AM EST Sample 21 flights, 19 late (90%) Comparison 14% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour Median delay 25.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-06 14:48 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
Philadelphia departure delays ease: 55% late in the last hour, still above normal
What changed: late share 90% → 55%
Of 20 departures that took off between 5:08 PM and 6:08 PM EST, 11 left at least 15 minutes late. Philadelphia typically sees 31% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 5 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 5:08 PM–6:08 PM EST Sample 20 flights, 11 late (55%) Comparison 31% typical · US DOT on-time data, last 12 published months, departures in the 5 PM hour Median delay 66.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-06 23:08 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
Philadelphia departure delays worsen: 76% late in the last hour
What changed: late share 55% → 76%
Of 29 departures that took off between 7:13 PM and 8:13 PM EST, 22 left at least 15 minutes late. Philadelphia 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 7:13 PM–8:13 PM EST Sample 29 flights, 22 late (76%) Comparison 30% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour Median delay 33.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 01:13 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
Philadelphia departure delays ease: 48% late in the last hour, still above normal
What changed: late share 76% → 48%
Of 25 departures that took off between 8:51 PM and 9:51 PM EST, 12 left at least 15 minutes late. Philadelphia typically sees 24% 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 window 8:51 PM–9:51 PM EST Sample 25 flights, 12 late (48%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour Median delay 10.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 02:51 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
Philadelphia departure delays worsen: 71% late in the last hour
What changed: late share 48% → 71%
Of 14 departures that took off between 9:48 PM and 10:48 PM EST, 10 left at least 15 minutes late. Philadelphia typically sees 24% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.
Evidence for this update
Measurement window 9:48 PM–10:48 PM EST Sample 14 flights, 10 late (71%) Comparison 24% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour Median delay 24.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-11-07 03:48 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 7, 5:00 AM EST: No usable measurement for 6 h; closed without a recovery report.