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Forecast Major Developing Delay PHX departures

Model raises Phoenix departure delay risk noon–3 PM Saturday to 63%

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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.

Updates oldest first

  1. Initial Forecast

    Model forecasts 43% delay risk for Phoenix departures noon–3 PM Saturday

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 43% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 12:00 AM MST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)43% over 102 flights
    Forecast cycle · horizonSat Nov 14, 12:00 AM MST · 10.5 h ahead
    Model versionfamA-fc-v3+famB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 08:27 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  2. Escalation Forecast

    Model raises Phoenix departure delay risk noon–3 PM Saturday to 58%

    What changed: 43% → 58% since the 12:00 AM MST forecast (same model, same window)

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 58% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 2:00 AM MST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)58% over 102 flights
    Forecast cycle · horizonSat Nov 14, 2:00 AM MST · 9.0 h ahead
    Model versionfamA-fc-v3+famB-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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  3. De-escalation Forecast

    Updated model puts Phoenix departure delay risk noon–3 PM Saturday at 45%

    What changed: 58% → 45% since the 2:00 AM MST forecast (model changed)

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 45% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 3:00 AM MST forecast (model famB-sd-v4i). The model changed since the previous item (from famA-fc-v3+famB-sd-v4i), 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 noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)45% over 102 flights
    Forecast cycle · horizonSat Nov 14, 3:00 AM MST · 8.1 h ahead
    Model versionfamB-sd-v4i (changed since the previous update)
    Source event time
    Ingested
    Published here (2026-11-14 10:56 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  4. Escalation Forecast

    Model raises Phoenix departure delay risk noon–3 PM Saturday to 58%

    What changed: 45% → 58% since the 3:00 AM MST forecast (same model, same window)

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 58% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 4:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)58% over 102 flights
    Forecast cycle · horizonSat Nov 14, 4:00 AM MST · 7.0 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 11:57 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  5. De-escalation Forecast

    Model lowers Phoenix departure delay risk noon–3 PM Saturday to 51%

    What changed: 58% → 51% since the 4:00 AM MST forecast (same model, same window)

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 51% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 6:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)51% over 102 flights
    Forecast cycle · horizonSat Nov 14, 6:00 AM MST · 4.6 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 14:26 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  6. Escalation Forecast

    Model raises Phoenix departure delay risk noon–3 PM Saturday to 63%

    What changed: 51% → 63% since the 6:00 AM MST forecast (same model, same window)

    Tailodds’ model gives the 102 departures scheduled from Phoenix noon–3 PM Saturday an average 63% chance of leaving 15+ minutes late. With calm weather the same flights would average 28%. From the 9:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetPHX departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)63% over 102 flights
    Forecast cycle · horizonSat Nov 14, 9:00 AM MST · 2.1 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 16:56 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
    Was this useful?