Model raises SFO departure delay risk 6–9 PM Monday to 52%
- 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
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
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Initial Forecast
Model forecasts 41% delay risk for SFO departures 6–9 PM Monday
Tailodds’ model gives the 76 departures scheduled from SFO 6–9 PM Monday an average 41% chance of leaving 15+ minutes late. With calm weather the same flights would average 24%. From the 9:00 AM PDT forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Evidence for this update
Target SFO departures 6–9 PM 2026-10-19 (15+ min late) Probability (calibrated, mean per flight) 41% over 76 flights Forecast cycle · horizon Mon Oct 19, 9:00 AM PDT · 8.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-10-19 16:56 UTC) Sources Tailodds forecast Provenance forecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
Escalation Forecast
Model raises SFO departure delay risk 6–9 PM Monday to 52%
What changed: 41% → 52% since the 9:00 AM PDT forecast (same model, same window)
Tailodds’ model gives the 77 departures scheduled from SFO 6–9 PM Monday an average 52% chance of leaving 15+ minutes late. With calm weather the same flights would average 27%. From the 2:00 PM PDT forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Evidence for this update
Target SFO departures 6–9 PM 2026-10-19 (15+ min late) Probability (calibrated, mean per flight) 52% over 77 flights Forecast cycle · horizon Mon Oct 19, 2:00 PM PDT · 3.0 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-10-19 21:57 UTC) Sources Tailodds forecast Provenance forecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1 Was this useful?
Closed Mon Oct 19, 6:00 PM PDT: The forecast window has started; measured delays are reported separately as observed items.