Model raises expected cancellations to about 10 among National departures 6–9 PM Sunday
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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
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Initial Forecast
Model expects about 7 cancellations among National departures 6–9 PM Sunday
Adding up each flight’s cancellation probability, Tailodds’ model expects about 7 of the 76 departures scheduled 6–9 PM Sunday to be cancelled (9%). With calm weather it would expect about 1. From the 6:00 AM EST forecast (model famA-fc-v3+famB-sd-v4i). This is a forecast, not a report of cancellations.
Evidence for this update
Target DCA departures 6–9 PM 2026-11-15 (cancelled) Expected cancellations ~6.9 over 76 flights Forecast cycle · horizon Sun Nov 15, 6:00 AM EST · 11.1 h ahead Model version famA-fc-v3+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? -
Escalation Forecast
Updated model now expects about 8 among National departures 6–9 PM Sunday
What changed: about 7 → 8 expected cancellations since the 6:00 AM EST forecast
Adding up each flight’s cancellation probability, Tailodds’ model expects about 8 of the 76 departures scheduled 6–9 PM Sunday to be cancelled (10%). With calm weather it would expect about 1. From the 10:00 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 cancellations.
Evidence for this update
Target DCA departures 6–9 PM 2026-11-15 (cancelled) Expected cancellations ~7.7 over 76 flights Forecast cycle · horizon Sun Nov 15, 10:00 AM EST · 7.0 h ahead Model version famB-sd-v4i (changed since the previous update) Source event time Ingested Published here (2026-11-15 15:57 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 expected cancellations to about 7 among National departures 6–9 PM Sunday
What changed: about 8 → 7 expected cancellations since the 10:00 AM EST forecast
Adding up each flight’s cancellation probability, Tailodds’ model expects about 7 of the 76 departures scheduled 6–9 PM Sunday to be cancelled (9%). With calm weather it would expect about 1. From the 11:00 AM EST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.
Evidence for this update
Target DCA departures 6–9 PM 2026-11-15 (cancelled) Expected cancellations ~7.0 over 76 flights Forecast cycle · horizon Sun Nov 15, 11:00 AM EST · 6.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-11-15 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 expected cancellations to about 10 among National departures 6–9 PM Sunday
What changed: about 7 → 10 expected cancellations since the 11:00 AM EST forecast
Adding up each flight’s cancellation probability, Tailodds’ model expects about 10 of the 76 departures scheduled 6–9 PM Sunday to be cancelled (13%). With calm weather it would expect about 1. From the 12:00 PM EST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.
Evidence for this update
Target DCA departures 6–9 PM 2026-11-15 (cancelled) Expected cancellations ~9.7 over 76 flights Forecast cycle · horizon Sun Nov 15, 12:00 PM EST · 5.1 h ahead Model version famB-sd-v4i Source event time Ingested Published here (2026-11-15 17:56 UTC) Sources Tailodds forecast Provenance forecast_blocks forecast-blocks-v1 · config 2026-10-17.1 · writer template-v1 Was this useful?