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

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Filters (2)
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
Type: Cancellation ×Airport: BOS × Clear filters
WIRE 19 UPDATES
Forecast Significant BOS DEP CANCEL DEVELOPING

Updated model now expects about 4 among Boston departures 6–9 PM Friday

▼ about 8 → 4 expected cancellations since the 7:00 AM EST forecast
Forecast Significant BOS DEP CANCEL DEVELOPING

Updated model now expects about 5 among Boston departures 3–6 PM Friday

▼ about 9 → 5 expected cancellations since the 5:00 AM EST forecast
Forecast Significant BOS DEP CANCEL RESOLVED

Model lowers expected cancellations to about 4 among Boston departures noon–3 PM Friday

▼ about 7 → 4 expected cancellations since the 5:00 AM EST forecast
Forecast Significant BOS DEP CANCEL DEVELOPING

Model expects about 8 cancellations among Boston departures 6–9 PM Friday

~8 cancellations
Forecast Significant BOS DEP CANCEL DEVELOPING

Model expects about 9 cancellations among Boston departures 3–6 PM Friday

~9 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model raises expected cancellations to about 7 among Boston departures noon–3 PM Friday

▲ about 4 → 7 expected cancellations since the 3:00 AM EST forecast
Forecast Major BOS DEP CANCEL RESOLVED

Model lowers expected cancellations to about 4 among Boston departures noon–3 PM Friday

▼ about 8 → 4 expected cancellations since the 2:00 AM EST forecast
Forecast Major BOS DEP CANCEL RESOLVED

Model expects about 8 cancellations among Boston departures noon–3 PM Friday

~8 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 8 cancellations among Boston departures 9 AM–noon Friday

~8 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 9 cancellations among Boston departures 6–9 AM Friday

~9 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 6 cancellations among Boston departures 6–9 PM Thursday

~6 cancellations
Forecast Informational BOS DEP CANCEL RESOLVED

Model lowers expected cancellations among Boston departures noon–3 PM Saturday to about 2

about 3 → 2
Forecast Informational BOS DEP CANCEL RESOLVED

Model lowers expected cancellations among Boston departures 9 AM–noon Saturday to about 3

about 5 → 3
Forecast Significant BOS DEP CANCEL RESOLVED

Model lowers expected cancellations to about 3 among Boston departures noon–3 PM Saturday

▼ about 7 → 3 expected cancellations since the 2:00 AM EST forecast
Forecast Significant BOS DEP CANCEL RESOLVED

Model lowers expected cancellations to about 5 among Boston departures 9 AM–noon Saturday

▼ about 9 → 5 expected cancellations since the 2:00 AM EST forecast
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 7 cancellations among Boston departures noon–3 PM Saturday

~7 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 9 cancellations among Boston departures 9 AM–noon Saturday

~9 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 7 cancellations among Boston departures 6–9 AM Saturday

~7 cancellations
Forecast Significant BOS DEP CANCEL RESOLVED

Model expects about 7 cancellations among Boston departures 6–9 PM Friday

~7 cancellations

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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