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Observed Major Resolved Delay STL departures

St Louis departures back near normal: 26% late in the last hour

Current state
Resolved at 2:42 PM CDT
Started
Latest activity
Updates
4
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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: 67% left 15+ min late in the last hour

    Of 12 departures that took off between 8:41 AM and 9:41 AM CDT, 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 window8:41 AM–9:41 AM CDT
    Sample12 flights, 8 late (67%)
    Comparison17% typical · US DOT on-time data, last 12 published months, departures in the 9 AM hour
    Median delay24.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-17 14:41 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. De-escalation Observed

    St Louis departure delays ease: 50% late in the last hour, still above normal

    What changed: late share 67% → 50%

    Of 14 departures that took off between 9:47 AM and 10:47 AM CDT, 7 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.

    Evidence for this update
    Measurement window9:47 AM–10:47 AM CDT
    Sample14 flights, 7 late (50%)
    Comparison15% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay16.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-17 15:47 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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  3. Escalation Observed

    St Louis departure delays worsen: 64% late in the last hour

    What changed: late share 50% → 64%

    Of 14 departures that took off between 11:36 AM and 12:36 PM CDT, 9 left at least 15 minutes late. St Louis typically sees 23% 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 window11:36 AM–12:36 PM CDT
    Sample14 flights, 9 late (64%)
    Comparison23% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
    Median delay75.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-17 17:36 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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  4. Recovery Observed

    St Louis departures back near normal: 26% late in the last hour

    What changed: late share 81% at worst → 26% now

    Of 19 departures that took off between 1:42 PM and 2:42 PM CDT, 5 left at least 15 minutes late. St Louis typically sees 29% 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. The late share has stayed at or below 30% for 30 minutes across 16 checks, each with at least 12 flights and current data.

    Evidence for this update
    Measurement window1:42 PM–2:42 PM CDT
    Sample19 flights, 5 late (26%)
    Comparison29% typical · US DOT on-time data, last 12 published months, departures in the 2 PM hour
    Median delay9.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-17 19:42 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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