tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 67 minLightning 224 h staleWeather observations no data staleFAA surface data 3 minFAA flight data 3 min

FAA NAS status is stale (224 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (224 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.

Forecast Significant Resolved Delay SMF departures

Model forecasts 40% delay risk for Sacramento departures noon–3 PM Friday

Current state
Resolved: closed without a new report (The forecast window has started; measured delays are reported separately as observed items.)
Started
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Updates
1
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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 40% delay risk for Sacramento departures noon–3 PM Friday

    Tailodds’ model gives the 36 departures scheduled from Sacramento noon–3 PM Friday an average 40% chance of leaving 15+ minutes late. With calm weather the same flights would average 25%. From the 1:00 AM PDT forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSMF departures noon–3 PM 2026-10-23 (15+ min late)
    Probability (calibrated, mean per flight)40% over 36 flights
    Forecast cycle · horizonFri Oct 23, 1:00 AM PDT · 10.1 h ahead
    Model versionfamA-fc-v3+famB-sd-v4i
    Source event time
    Ingested
    Published here (2026-10-23 08:56 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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Closed Fri Oct 23, 12:00 PM PDT: The forecast window has started; measured delays are reported separately as observed items.