tailodds FORECAST
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Observed Major Resolved Delay PHL departures

Philadelphia departure delays worsen: 82% 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
2
Create monitor View PHLFlights at PHL

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

    Philadelphia departures running late: 53% left 15+ min late in the last hour

    Of 17 departures that took off between 9:10 PM and 10:10 PM EDT, 9 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 window9:10 PM–10:10 PM EDT
    Sample17 flights, 9 late (53%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 9 PM 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 (2026-10-24 02:10 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

    Philadelphia departure delays worsen: 82% late in the last hour

    What changed: late share 53% → 82%

    Of 17 departures that took off between 10:21 PM and 11:21 PM EDT, 14 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 window10:21 PM–11:21 PM EDT
    Sample17 flights, 14 late (82%)
    Comparison24% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour
    Median delay22.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-24 03:21 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 Oct 24, 5:36 AM EDT: No usable measurement for 6 h; closed without a recovery report.