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Sourced developments at US airports: what the FAA reports at every airport, and what we measure and our model forecasts at the busiest ones.

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Passenger events at your flight's airports

Enter a flight: you see events at its departure and arrival airports, including tight aircraft turns there. Your own flight’s inbound aircraft is on its flight page.

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Departures: events affecting flights leaving the airport. Arrivals: flights going to it.

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“Today” and dates above start at midnight in this zone. Each item shows its airport’s local time; hover a time for UTC.

Clear
Type: Cancellation ×Airport: SLC × Clear filters
MST, Nov 14 30 min ago
Forecast Informational Resolved Resolution Cancellation SLC departures

Model lowers expected cancellations among Salt Lake City departures 6–9 PM Saturday to about 1

What changed: about 5 → 1

Adding up each flight’s cancellation probability, Tailodds’ model expects about 1 of the 21 departures scheduled 6–9 PM Saturday to be cancelled (6%). With calm weather it would expect about 0. From the 9:00 AM MST 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.

Expected ~1 cancellationsHorizon 8.1 hModel famB-sd-v4iModel changed

Source: Tailodds forecast Timeline (2) 1 earlier matching update View SLC
MST, Nov 14 30 min ago
Forecast Major Developing De-escalation Cancellation SLC departures

Model lowers expected cancellations to about 11 among Salt Lake City departures 3–6 PM Saturday

What changed: about 25 → 11 expected cancellations since the 5:00 AM MST forecast

Adding up each flight’s cancellation probability, Tailodds’ model expects about 11 of the 84 departures scheduled 3–6 PM Saturday to be cancelled (13%). With calm weather it would expect about 1. From the 9:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Expected ~10 cancellationsHorizon 5.1 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (2) 1 earlier matching update View SLC
MST, Nov 14 30 min ago
Forecast Major Developing De-escalation Cancellation SLC departures

Model lowers expected cancellations to about 5 among Salt Lake City departures noon–3 PM Saturday

What changed: about 11 → 5 expected cancellations since the 5:00 AM MST forecast

Adding up each flight’s cancellation probability, Tailodds’ model expects about 5 of the 34 departures scheduled noon–3 PM Saturday to be cancelled (14%). With calm weather it would expect about 0. From the 9:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Expected ~5 cancellationsHorizon 2.1 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (2) 1 earlier matching update View SLC
MST, Nov 14 4 h ago
Forecast Major Resolved Escalation Cancellation SLC departures

Model raises expected cancellations to about 38 among Salt Lake City departures 9 AM–noon Saturday

What changed: about 7 → 38 expected cancellations since the 2:00 AM MST forecast

Adding up each flight’s cancellation probability, Tailodds’ model expects about 38 of the 105 departures scheduled 9 AM–noon Saturday to be cancelled (36%). With calm weather it would expect about 1. From the 5:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Expected ~38 cancellationsHorizon 2.6 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (4) 3 earlier matching updates View SLC
MST, Nov 14 7 h ago
Forecast Major Resolved De-escalation Cancellation SLC departures

Model lowers expected cancellations to about 3 among Salt Lake City departures 6–9 AM Saturday

What changed: about 7 → 3 expected cancellations since the 12:00 AM MST forecast

Adding up each flight’s cancellation probability, Tailodds’ model expects about 3 of the 45 departures scheduled 6–9 AM Saturday to be cancelled (8%). With calm weather it would expect about 0. From the 2:00 AM MST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Expected ~4 cancellationsHorizon 3.0 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (5) 4 earlier matching updates View SLC
MST, Nov 13 13 h ago
Forecast Major Resolved Cancellation SLC departures

Model expects about 11 cancellations among Salt Lake City departures 9 PM–midnight Friday

Adding up each flight’s cancellation probability, Tailodds’ model expects about 11 of the 32 departures scheduled 9 PM–midnight Friday to be cancelled (33%). With calm weather it would expect about 0. From the 8:00 PM MST forecast (model famB-sd-v4i). This is a forecast, not a report of cancellations.

Expected ~11 cancellationsHorizon 0.1 hModel famB-sd-v4i

Source: Tailodds forecast Timeline (1) View SLC

Each item is the latest update matching your filters; the event’s current status is on its chip. All updates shows the full chronological wire.

Confirmed
An official source (the FAA) reports it. We attribute it; we don’t independently verify it.
Observed
We measured it from FAA flight data: window, sample size and the typical level are on the item.
Forecast
Our model predicts it, with its probability, target, horizon and model version. It has not happened. How accurate is it?

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