tailodds FORECAST
Live · checked FAA national advisories 3 minFAA NAS status 1 minForecast cycle 1 hLightning 1 minWeather observations 1 minFAA surface data 5 minFAA flight data 5 min
Observed Major New Delay ORD departures

O'Hare departures running late: 95% left 15+ min late in the last hour

Current state
New
Started
Latest activity
Updates
1
Create monitor View ORDFlights at ORD

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

    O'Hare departures running late: 95% left 15+ min late in the last hour

    Of 20 departures that took off between 8:31 PM and 9:31 PM CST, 19 left at least 15 minutes late. O'Hare typically sees 34% 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 window8:31 PM–9:31 PM CST
    Sample20 flights, 19 late (95%)
    Comparison34% typical · US DOT on-time data, last 12 published months, departures in the 9 PM hour
    Median delay267.0 min
    MethodFAA wheels-off/on +/- median taxi (taxi_times) vs the FAA-filed airline schedule (flight_odds)
    Source event time
    Ingested
    Published here (2026-11-14 03:31 UTC)
    SourcesTailodds measurement of FAA flight data against airline schedules
    Provenanceobserved_ops observed-ops-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?