tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 1 hLightning 224 h staleWeather observations no data staleFAA surface data <1 minFAA flight data <1 min

FAA NAS status is stale (224 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (224 h old). Lightning items are paused; thunderstorm items still come from official observations.

Weather observations is stale. Weather items are paused until it is fresh again; missing observations never end a weather event.

Observed Major Resolved Delay MDW departures

Midway departure delays worsen: 91% 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
4
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: 43% left 15+ min late in the last hour

    Of 21 departures that took off between 10:18 AM and 11:18 AM CDT, 9 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 window10:18 AM–11:18 AM CDT
    Sample21 flights, 9 late (43%)
    Comparison16% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay13.0 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 16:18 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: 79% late in the last hour

    What changed: late share 43% → 79%

    Of 14 departures that took off between 11:42 AM and 12:42 PM CDT, 11 left at least 15 minutes late. Midway typically sees 26% 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 window11:42 AM–12:42 PM CDT
    Sample14 flights, 11 late (79%)
    Comparison26% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
    Median delay27.0 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 17:42 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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  3. De-escalation Observed

    Midway departure delays ease: 58% late in the last hour, still above normal

    What changed: late share 79% → 58%

    Of 12 departures that took off between 12:15 PM and 1:15 PM CDT, 7 left at least 15 minutes late. Midway typically sees 26% 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 window12:15 PM–1:15 PM CDT
    Sample12 flights, 7 late (58%)
    Comparison26% typical · US DOT on-time data, last 12 published months, departures in the 12 PM hour
    Median delay35.0 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 18:15 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: 91% late in the last hour

    What changed: late share 58% → 91%

    Of 23 departures that took off between 7:39 PM and 8:39 PM CDT, 21 left at least 15 minutes late. Midway typically sees 37% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 8 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window7:39 PM–8:39 PM CDT
    Sample23 flights, 21 late (91%)
    Comparison37% typical · US DOT on-time data, last 12 published months, departures in the 8 PM hour
    Median delay31.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-18 01:39 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 Sun Oct 18, 3:01 AM CDT: No usable measurement for 6 h; closed without a recovery report.