tailodds FORECAST
Live · checked FAA national advisories 4 minFAA NAS status <1 minForecast cycle 58 minLightning <1 minWeather observations 4 minFAA surface data 5 minFAA flight data 3 min
Forecast Significant Resolved Delay STL departures

Model forecasts 41% delay risk for St Louis departures noon–3 PM Saturday

Current state
Resolved: closed without a new report (The forecast window has started; measured delays are reported separately as observed items.)
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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 St Louis departures noon–3 PM Saturday

    Tailodds’ model gives the 32 departures scheduled from St Louis noon–3 PM Saturday an average 41% chance of leaving 15+ minutes late. With calm weather the same flights would average 23%. From the 10:00 AM CDT forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSTL departures noon–3 PM 2026-10-17 (15+ min late)
    Probability (calibrated, mean per flight)41% over 32 flights
    Forecast cycle · horizonSat Oct 17, 10:00 AM CDT · 1.0 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-10-17 15:57 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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Closed Sat Oct 17, 12:01 PM CDT: The forecast window has started; measured delays are reported separately as observed items.