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Observed Significant Resolved Delay MDW departures

Midway departures back near normal: 14% late in the last hour

Current state
Resolved at 7:27 PM CDT
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

    Midway departures running late: 67% left 15+ min late in the last hour

    Of 15 departures that took off between 4:06 PM and 5:06 PM CDT, 10 left at least 15 minutes late. Midway typically sees 36% 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.

    Evidence for this update
    Measurement window4:06 PM–5:06 PM CDT
    Sample15 flights, 10 late (67%)
    Comparison36% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour
    Median delay25.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-29 22:06 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

    Midway departures back near normal: 14% late in the last hour

    What changed: late share 71% at worst → 14% now

    Of 22 departures that took off between 6:27 PM and 7:27 PM CDT, 3 left at least 15 minutes late. Midway typically sees 42% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 6 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 window6:27 PM–7:27 PM CDT
    Sample22 flights, 3 late (14%)
    Comparison42% typical · US DOT on-time data, last 12 published months, departures in the 6 PM hour
    Median delay6.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-30 00:27 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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