tailodds FORECAST
Live · checked FAA national advisories 5 minFAA NAS status <1 minForecast cycle 1 hLightning <1 minWeather observations 5 minFAA surface data 3 minFAA flight data 2 min
Forecast Significant New Delay BOS departures

Model forecasts 42% delay risk for Boston 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 42% delay risk for Boston departures 9 AM–noon Saturday

    Tailodds’ model gives the 106 departures scheduled from Boston 9 AM–noon Saturday an average 42% chance of leaving 15+ minutes late. With calm weather the same flights would average 13%. From the 4:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetBOS departures 9 AM–noon 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)42% over 106 flights
    Forecast cycle · horizonSat Nov 14, 4:00 AM EST · 4.0 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 09:58 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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