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Forecast Significant Developing Delay ATL departures

Updated model puts Atlanta departure delay risk noon–3 PM Saturday at 32%

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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.

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  1. Initial Forecast

    Model forecasts 49% delay risk for Atlanta departures noon–3 PM Saturday

    Tailodds’ model gives the 179 departures scheduled from Atlanta noon–3 PM Saturday an average 49% chance of leaving 15+ minutes late. With calm weather the same flights would average 19%. From the 1:00 AM EST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of delays.

    Evidence for this update
    TargetATL departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)49% over 179 flights
    Forecast cycle · horizonSat Nov 14, 1:00 AM EST · 10.0 h ahead
    Model versionfamA-fc-v3+famB-sd-v4i
    Source event time
    Ingested
    Published here (2026-11-14 06:57 UTC)
    SourcesTailodds forecast
    Provenanceforecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1
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  2. De-escalation Forecast

    Updated model puts Atlanta departure delay risk noon–3 PM Saturday at 32%

    What changed: 49% → 32% since the 1:00 AM EST forecast (model changed)

    Tailodds’ model gives the 179 departures scheduled from Atlanta noon–3 PM Saturday an average 32% chance of leaving 15+ minutes late. With calm weather the same flights would average 19%. From the 2:00 AM EST 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
    TargetATL departures noon–3 PM 2026-11-14 (15+ min late)
    Probability (calibrated, mean per flight)32% over 179 flights
    Forecast cycle · horizonSat Nov 14, 2:00 AM EST · 8.5 h ahead
    Model versionfamB-sd-v4i (changed since the previous update)
    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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