tailodds FORECAST
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Forecast Major Resolved Delay LAS departures

Model raises Las Vegas departure delay risk 6–9 PM Saturday to 71%

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
3
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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 46% delay risk for Las Vegas departures 6–9 PM Saturday

    Tailodds’ model gives the 20 departures scheduled from Las Vegas 6–9 PM Saturday an average 46% chance of leaving 15+ minutes late. With calm weather the same flights would average 26%. From the 7:00 AM PST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetLAS departures 6–9 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)46% over 20 flights
    Forecast cycle · horizonSat Nov 14, 7:00 AM PST · 10.1 h ahead
    Model versionfamA-fc-v3+famB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 15:56 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  2. Escalation Forecast

    Updated model puts Las Vegas departure delay risk 6–9 PM Saturday at 56%

    What changed: 46% → 56% since the 7:00 AM PST forecast (model changed)

    Tailodds’ model gives the 20 departures scheduled from Las Vegas 6–9 PM Saturday an average 56% chance of leaving 15+ minutes late. With calm weather the same flights would average 26%. From the 8:00 AM PST 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
    TargetLAS departures 6–9 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)56% over 20 flights
    Forecast cycle · horizonSat Nov 14, 8:00 AM PST · 9.1 h ahead
    Model versionfamB-sd-v4i (changed since the previous update)
    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
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  3. Escalation Forecast

    Model raises Las Vegas departure delay risk 6–9 PM Saturday to 71%

    What changed: 56% → 71% since the 8:00 AM PST forecast (same model, same window)

    Tailodds’ model gives the 20 departures scheduled from Las Vegas 6–9 PM Saturday an average 71% chance of leaving 15+ minutes late. With calm weather the same flights would average 26%. From the 11:00 AM PST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetLAS departures 6–9 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)71% over 20 flights
    Forecast cycle · horizonSat Nov 14, 11:00 AM PST · 5.6 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 20:26 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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Closed Sat Nov 14, 6:00 PM PST: The forecast window has started; measured delays are reported separately as observed items.