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Forecast Significant Resolved Delay STL departures

Model lowers St Louis departure delay risk noon–3 PM Friday to 32%, near normal

Current state
Resolved at 7:26 AM CST
Started
Latest activity
Updates
2
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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 42% delay risk for St Louis departures noon–3 PM Friday

    Tailodds’ model gives the 35 departures scheduled from St Louis noon–3 PM Friday an average 42% chance of leaving 15+ minutes late. With calm weather the same flights would average 21%. From the 4:00 AM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSTL departures noon–3 PM 2026-11-13 (15+ min late)
    Probability (calibrated, mean per flight)42% over 35 flights
    Forecast cycle · horizonFri Nov 13, 4:00 AM CST · 7.0 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-13 10:57 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 St Louis departure delay risk noon–3 PM Friday to 32%, near normal

    What changed: 42% → 32%; calm-weather level 22%

    Tailodds’ model gives the 35 departures scheduled from St Louis noon–3 PM Friday an average 32% chance of leaving 15+ minutes late. With calm weather the same flights would average 22%. From the 6:00 AM CST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetSTL departures noon–3 PM 2026-11-13 (15+ min late)
    Probability (calibrated, mean per flight)32% over 35 flights
    Forecast cycle · horizonFri Nov 13, 6:00 AM CST · 4.6 h ahead
    Model versionfamB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-13 13:26 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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