AS9940 SeattleBFI SeattleSEA
AS9940 by Alaska Airlines flies from Seattle (BFI) to Seattle (SEA).
scheduled from BFI
The route today
live boardsTomorrow at Seattle
ForecastWed 4 Nov, local date
- 32% chance of fog
- 86% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How AS9940 actually runs
Pro Flight Search has tracked every published board update for AS9940 across the BFI and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 43.0/100. Based on airport operations, weather, and cached board history at BFI and SEA.
The verdict above is that record speaking, so it reflects how AS9940 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as BFI and SEA published them.
Planning around AS9940? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: AS9940 Seattle to Seattle on-time performance, measured from the BFI and SEA airport boards.
https://proflightsearch.com/flight/AS9940