AS9721 SeattleSEA SeattleBFI
AS9721 by Alaska Airlines flies from Seattle (SEA) to Seattle (BFI).
scheduled from SEA
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Seattle flights
same route · Alaska AirlinesIf AS9721 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Seattle, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS9721 actually runs
Pro Flight Search has tracked every published board update for AS9721 across the SEA and BFI boards: schedule changes, gate pushes and actual clocks. Combined risk score: 43.0/100. Based on airport operations, weather, and cached board history at SEA and BFI.
The verdict above is that record speaking, so it reflects how AS9721 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 SEA and BFI published them.
Planning around AS9721? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS9721 Seattle to Seattle on-time performance, measured from the SEA and BFI airport boards.
https://proflightsearch.com/flight/AS9721
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