tailodds FORECAST
Partly stale · checked FAA NAS status 224 h staleForecast cycle 1 hLightning 224 h staleWeather observations no data staleFAA surface data 4 minFAA flight data 5 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 PHX departures

Updated model puts Phoenix departure delay risk 6–9 PM Wednesday at 56%

Current state
Resolved: closed without a new report (The forecast window has started; measured delays are reported separately as observed items.)
Started
Latest activity
Updates
2
Create monitor View PHXFlights at PHX

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 41% delay risk for Phoenix departures 6–9 PM Wednesday

    Tailodds’ model gives the 104 departures scheduled from Phoenix 6–9 PM Wednesday an average 41% chance of leaving 15+ minutes late. With calm weather the same flights would average 24%. From the 7:00 PM MST forecast (model famA-fc-v3). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures 6–9 PM 2026-10-21 (15+ min late)
    Probability (calibrated, mean per flight)41% over 104 flights
    Forecast cycle · horizonTue Oct 20, 7:00 PM MST · 22.0 h ahead
    Model versionfamA-fc-v3
    Source event time
    Ingested
    Published here (2026-10-21 02:57 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?
  2. Escalation Forecast

    Updated model puts Phoenix departure delay risk 6–9 PM Wednesday at 56%

    What changed: 41% → 56% since the 7:00 PM MST forecast (model changed)

    Tailodds’ model gives the 103 departures scheduled from Phoenix 6–9 PM Wednesday an average 56% chance of leaving 15+ minutes late. With calm weather the same flights would average 31%. From the 3:00 PM MST forecast (model famB-sd-v4i). The model changed since the previous item (from famA-fc-v3), so some or all of this change comes from the new model rather than new information. This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures 6–9 PM 2026-10-21 (15+ min late)
    Probability (calibrated, mean per flight)56% over 103 flights
    Forecast cycle · horizonWed Oct 21, 3:00 PM MST · 2.1 h ahead
    Model versionfamB-sd-v4i (changed since the previous update)
    Source event time
    Ingested
    Published here (2026-10-21 22:55 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?

Closed Wed Oct 21, 6:00 PM MST: The forecast window has started; measured delays are reported separately as observed items.