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Observed Major Resolved Delay STL departures

St Louis departures back near normal: 18% late in the last hour

Current state
Resolved at 11:02 AM CST
Started
Latest activity
Updates
2
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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

    St Louis departures running late: 62% left 15+ min late in the last hour

    Of 13 departures that took off between 8:45 AM and 9:45 AM CST, 8 left at least 15 minutes late. St Louis typically sees 17% 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 window8:45 AM–9:45 AM CST
    Sample13 flights, 8 late (62%)
    Comparison17% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay23.0 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 15:45 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. Recovery Observed

    St Louis departures back near normal: 18% late in the last hour

    What changed: late share 67% at worst → 18% now

    Of 22 departures that took off between 10:02 AM and 11:02 AM CST, 4 left at least 15 minutes late. St Louis typically sees 15% 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. The late share has stayed at or below 25% for 31 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window10:02 AM–11:02 AM CST
    Sample22 flights, 4 late (18%)
    Comparison15% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay5.0 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 17:02 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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