Model lowers JFK departure delay risk noon–3 PM Sunday to 51%
- 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
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 45% delay risk for JFK departures noon–3 PM Sunday
Tailodds’ model gives the 71 departures scheduled from JFK noon–3 PM Sunday an average 45% chance of leaving 15+ minutes late. With calm weather the same flights would average 19%. From the 3:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Evidence for this update
Target JFK departures noon–3 PM 2026-11-15 (15+ min late) Probability (calibrated, mean per flight) 45% over 71 flights Forecast cycle · horizon Sun Nov 15, 3:00 AM EST · 8.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-11-15 08:56 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 JFK departure delay risk noon–3 PM Sunday to 56%
What changed: 45% → 56% since the 3:00 AM EST forecast (same model, same window)
Tailodds’ model gives the 71 departures scheduled from JFK noon–3 PM Sunday an average 56% chance of leaving 15+ minutes late. With calm weather the same flights would average 19%. From the 5:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Evidence for this update
Target JFK departures noon–3 PM 2026-11-15 (15+ min late) Probability (calibrated, mean per flight) 56% over 71 flights Forecast cycle · horizon Sun Nov 15, 5:00 AM EST · 6.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-11-15 10:55 UTC) Sources Tailodds forecast Provenance forecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1 Was this useful? -
De-escalation Forecast
Model lowers JFK departure delay risk noon–3 PM Sunday to 51%
What changed: 56% → 51% since the 5:00 AM EST forecast (same model, same window)
Tailodds’ model gives the 71 departures scheduled from JFK noon–3 PM Sunday an average 51% chance of leaving 15+ minutes late. With calm weather the same flights would average 19%. From the 6:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of delays.
Evidence for this update
Target JFK departures noon–3 PM 2026-11-15 (15+ min late) Probability (calibrated, mean per flight) 51% over 71 flights Forecast cycle · horizon Sun Nov 15, 6:00 AM EST · 5.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-11-15 11:56 UTC) Sources Tailodds forecast Provenance forecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1 Was this useful?
Closed Sun Nov 15, 12:00 PM EST: The forecast window has started; measured delays are reported separately as observed items.