tailodds FORECAST
Live · checked FAA national advisories 2 minFAA NAS status 2 minForecast cycle 1 hLightning 1 minWeather observations 2 minFAA surface data 3 minFAA flight data 2 min
Forecast Significant New Delay SEA departures

Model forecasts 41% delay risk for Seattle departures 9 AM–noon Saturday

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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.

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  1. Initial Forecast

    Model forecasts 41% delay risk for Seattle departures 9 AM–noon Saturday

    Tailodds’ model gives the 119 departures scheduled from Seattle 9 AM–noon Saturday an average 41% chance of leaving 15+ minutes late. With calm weather the same flights would average 18%. From the 11:00 PM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSEA departures 9 AM–noon 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)41% over 119 flights
    Forecast cycle · horizonFri Nov 13, 11:00 PM PST · 8.5 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 08:27 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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