tailodds FORECAST
Partly stale · checked FAA NAS status 222 h staleForecast cycle 85 minLightning 222 h staleWeather observations no data staleFAA surface data 4 minFAA flight data 4 min

FAA NAS status is stale (222 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (222 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 Significant Resolved Delay MDW departures

Midway departures back near normal: 0% late in the last hour

Current state
Resolved at 7:00 PM CST
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: 64% left 15+ min late in the last hour

    Of 14 departures that took off between 3:47 PM and 4:47 PM CST, 9 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 window3:47 PM–4:47 PM CST
    Sample14 flights, 9 late (64%)
    Comparison36% typical · US DOT on-time data, last 12 published months, departures in the 4 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 (2026-11-10 22:47 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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  2. Recovery Observed

    Midway departures back near normal: 0% late in the last hour

    What changed: late share 75% at worst → 0% now

    Of 24 departures that took off between 6:00 PM and 7:00 PM CST, 0 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 window6:00 PM–7:00 PM CST
    Sample24 flights, 0 late (0%)
    Comparison42% typical · US DOT on-time data, last 12 published months, departures in the 6 PM hour
    Median delay4.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-11 01:00 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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