tailodds FORECAST
Partly stale · checked FAA NAS status 226 h staleForecast cycle 2 hLightning 226 h staleWeather observations no data staleFAA surface data 3 minFAA flight data 3 min

FAA NAS status is stale (226 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (226 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: 95% 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
2
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: 42% left 15+ min late in the last hour

    Of 19 departures that took off between 10:20 AM and 11:20 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 window10:20 AM–11:20 AM CDT
    Sample19 flights, 8 late (42%)
    Comparison16% typical · US DOT on-time data, last 12 published months, departures in the 10 AM hour
    Median delay14.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-25 16:20 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: 95% late in the last hour

    What changed: late share 42% → 95%

    Of 19 departures that took off between 9:58 PM and 10:58 PM CDT, 18 left at least 15 minutes late. Midway typically sees 55% of departures in this hour leave that late (US DOT on-time data, last 12 published months, departures in the 10 PM hour). Measured by Tailodds from FAA flight data against airline schedules.

    Evidence for this update
    Measurement window9:58 PM–10:58 PM CDT
    Sample19 flights, 18 late (95%)
    Comparison55% typical · US DOT on-time data, last 12 published months, departures in the 10 PM hour
    Median delay36.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-10-26 03:58 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 Mon Oct 26, 5:24 AM CDT: No usable measurement for 6 h; closed without a recovery report.