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Observed Significant Resolved Delay MDW departures

Midway departure delays ease: 74% late in the last hour, still above normal

Current state
Resolved: closed without a new report (No usable measurement for 6 h; closed without a recovery report.)
Started
Latest activity
Updates
5
Create monitor View MDWFlights at MDW

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: 50% left 15+ min late in the last hour

    Of 16 departures that took off between 10:09 AM and 11:09 AM CDT, 8 left at least 15 minutes late. Midway typically sees 16% 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 window10:09 AM–11:09 AM CDT
    Sample16 flights, 8 late (50%)
    Comparison16% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay15.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 16:09 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

    Midway departure delays worsen: 80% late in the last hour

    What changed: late share 50% → 80%

    Of 15 departures that took off between 4:08 PM and 5:08 PM CDT, 12 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 window4:08 PM–5:08 PM CDT
    Sample15 flights, 12 late (80%)
    Comparison36% typical · US DOT on-time data, last 12 published months, departures in the 4 PM hour
    Median delay26.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-19 22:08 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. De-escalation Observed

    Midway departure delays ease: 53% late in the last hour, still above normal

    What changed: late share 80% → 53%

    Of 17 departures that took off between 6:25 PM and 7:25 PM CDT, 9 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.

    Evidence for this update
    Measurement window6:25 PM–7:25 PM CDT
    Sample17 flights, 9 late (53%)
    Comparison42% typical · US DOT on-time data, last 12 published months, departures in the 6 PM 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 (2026-10-20 00:25 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. Escalation Observed

    Midway departure delays worsen: 80% late in the last hour

    What changed: late share 53% → 80%

    Of 15 departures that took off between 7:22 PM and 8:22 PM CDT, 12 left at least 15 minutes late. Midway typically sees 41% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 7 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window7:22 PM–8:22 PM CDT
    Sample15 flights, 12 late (80%)
    Comparison41% typical · US DOT on-time data, last 12 published months, departures in the 7 PM hour
    Median delay29.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-20 01:22 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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  5. De-escalation Observed

    Midway departure delays ease: 74% late in the last hour, still above normal

    What changed: late share 80% → 74%

    Of 19 departures that took off between 9:23 PM and 10:23 PM CDT, 14 left at least 15 minutes late. Midway typically sees 51% 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 window9:23 PM–10:23 PM CDT
    Sample19 flights, 14 late (74%)
    Comparison51% typical · US DOT on-time data, last 12 published months, departures in the 9 PM 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 (2026-10-20 03:23 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 Tue Oct 20, 5:23 AM CDT: No usable measurement for 6 h; closed without a recovery report.