Wire

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

Partly stale · checked FAA NAS status 229 h staleForecast cycle 1 hLightning 229 h staleWeather observations no data staleFAA surface data 2 minFAA flight data 2 min

FAA NAS status is stale (229 h old). No FAA restriction can start or end on the wire until it is fresh again.

Lightning is stale (229 h old). Lightning items are paused; thunderstorm items still come from official observations.

Weather observations is stale. Weather items are paused until it is fresh again; missing observations never end a weather event.

News desk major developments and corrections Airport operations restrictions, deterioration, recovery
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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Filters (1)
Event type
Evidence
Location
Metro areas

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

Severity
Status
Published
Forecast horizon
h

A horizon shows forecasts only: hours from the forecast to the start of the period it’s about.

Time zone

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

Clear
Airport: SLC × Clear filters
WIRE 25 UPDATES
Forecast Informational SLC DEP DELAY RESOLVED

Model lowers Salt Lake City departure delay risk noon–3 PM Friday to 28%, near normal

48% → 28%; calm-weather level 18%
Forecast Significant SLC DEP DELAY RESOLVED

Model forecasts 48% delay risk for Salt Lake City departures noon–3 PM Friday

48% risk
Observed Informational SLC ARR DELAY RESOLVED

Salt Lake City arrivals back near normal: 17% late in the last hour

late share 60% at worst → 17% now
Observed Significant SLC ARR DELAY RESOLVED

Salt Lake City arrivals running late: 56% reached the gate 15+ min late in the last hour

56% late
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 9% late in the last hour

late share 58% at worst → 9% now
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 54% left 15+ min late in the last hour

54% late
Forecast Informational SLC DEP DELAY RESOLVED

Model lowers Salt Lake City departure delay risk noon–3 PM Tuesday to 19%, near normal

41% → 19%; calm-weather level 13%
Forecast Significant SLC DEP DELAY RESOLVED

Model forecasts 41% delay risk for Salt Lake City departures noon–3 PM Tuesday

41% risk
Observed Informational SLC ARR DELAY RESOLVED

Salt Lake City arrivals back near normal: 0% late in the last hour

late share 54% at worst → 0% now
Observed Significant SLC ARR DELAY RESOLVED

Salt Lake City arrivals running late: 54% reached the gate 15+ min late in the last hour

54% late
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 7% late in the last hour

late share 50% at worst → 7% now
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 50% left 15+ min late in the last hour

50% late
Forecast Informational SLC DEP DELAY RESOLVED

Model lowers Salt Lake City departure delay risk noon–3 PM Monday to 24%, near normal

49% → 24%; calm-weather level 17%
Forecast Significant SLC DEP DELAY RESOLVED

Model forecasts 49% delay risk for Salt Lake City departures noon–3 PM Monday

49% risk
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 14% late in the last hour

late share 58% at worst → 14% now
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 58% left 15+ min late in the last hour

58% late
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 0% late in the last hour

late share 56% at worst → 0% now
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 43% left 15+ min late in the last hour

43% late
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 12% late in the last hour

late share 47% at worst → 12% now
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 47% left 15+ min late in the last hour

47% late
Forecast Informational SLC DEP DELAY RESOLVED

Model lowers Salt Lake City departure delay risk noon–3 PM Saturday to 24%, near normal

44% → 24%; calm-weather level 20%
Forecast Significant SLC DEP DELAY RESOLVED

Model forecasts 44% delay risk for Salt Lake City departures noon–3 PM Saturday

44% risk
Observed Significant SLC DEP DELAY RESOLVED

Salt Lake City departures running late: 50% left 15+ min late in the last hour

50% late
Observed Informational SLC DEP DELAY RESOLVED

Salt Lake City departures back near normal: 8% late in the last hour

late share 67% at worst → 8% now

Older items Every published update, newest first. Times are EST.

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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