Philadelphia departures back near normal: 29% late in the last hour
- Current state
- Resolved at 4:46 PM EDT
- Started
- Latest activity
- Updates
- 3
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: 60% left 15+ min late in the last hour
Of 20 departures that took off between 1:25 PM and 2:25 PM EDT, 12 left at least 15 minutes late. Philadelphia typically sees 22% 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 1:25 PM–2:25 PM EDT Sample 20 flights, 12 late (60%) Comparison 22% typical · US DOT on-time data, last 12 published months, departures in the 1 PM 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 (2026-10-23 18:25 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: 47% late in the last hour, still above normal
What changed: late share 60% → 47%
Of 19 departures that took off between 1:45 PM and 2:45 PM EDT, 9 left at least 15 minutes late. Philadelphia typically sees 25% 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 1:45 PM–2:45 PM EDT Sample 19 flights, 9 late (47%) Comparison 25% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour Median delay 14.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-23 18:45 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? -
Recovery Observed
Philadelphia departures back near normal: 29% late in the last hour
What changed: late share 65% at worst → 29% now
Of 28 departures that took off between 3:46 PM and 4:46 PM EDT, 8 left at least 15 minutes late. Philadelphia typically sees 27% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 4 PM hour). Measured by Tailodds from FAA flight data against airline schedules. The late share has stayed at or below 30% for 31 minutes across 16 checks, each with at least 12 flights and current data.
Evidence for this update
Measurement window 3:46 PM–4:46 PM EDT Sample 28 flights, 8 late (29%) Comparison 27% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour Median delay -4.0 min Method FAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds) Source event time Ingested Published here (2026-10-23 20:46 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?