Partly stale · checked FAA NAS status 222 h staleForecast cycle 1 hLightning 222 h staleWeather observations no data staleFAA surface data 6 minFAA flight data 6 min

FAA NAS status is stale (222 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (222 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 SLC departures

Model lowers Salt Lake City departure delay risk noon–3 PM Monday to 24%, near normal

Current state
Resolved at 4:27 AM MST
Started
Latest activity
Updates
2
Create monitor View SLCFlights at SLC

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 Forecast

    Model forecasts 49% delay risk for Salt Lake City departures noon–3 PM Monday

    Tailodds’ model gives the 36 departures scheduled from Salt Lake City noon–3 PM Monday an average 49% chance of leaving 15+ minutes late. With calm weather the same flights would average 17%. From the 2:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSLC departures noon–3 PM 2026-11-09 (15+ min late)
    Probability (calibrated, mean per flight)49% over 36 flights
    Forecast cycle · horizonMon Nov 9, 2:00 AM MST · 8.9 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-09 10:03 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  2. Resolution Forecast

    Model lowers Salt Lake City departure delay risk noon–3 PM Monday to 24%, near normal

    What changed: 49% → 24%; calm-weather level 17%

    Tailodds’ model gives the 36 departures scheduled from Salt Lake City noon–3 PM Monday an average 24% chance of leaving 15+ minutes late. With calm weather the same flights would average 17%. From the 3:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSLC departures noon–3 PM 2026-11-09 (15+ min late)
    Probability (calibrated, mean per flight)24% over 36 flights
    Forecast cycle · horizonMon Nov 9, 3:00 AM MST · 7.5 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-09 11:27 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?