AS1321 SeattleSEA · 10:37 Santa RosaSTS
AS1321 by Alaska Airlines flies from Seattle (SEA) to Santa Rosa (STS) for the Wed, Sep 23 departure.
departs SEA · on schedule
board checked 37m ago · checking again in 45s
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 Santa Rosa flights today
same route · Alaska AirlinesIf AS1321 is cancelled, this is the other Alaska Airlines nonstop flight from Seattle to Santa Rosa on the same day, 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 AS1321 actually runs
Pro Flight Search has tracked every published board update for AS1321 across the SEA and STS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.0/100. Based on airport operations, weather, and cached board history at SEA and STS.
The verdict above is that record speaking, so it reflects how AS1321 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 STS published them.
Planning around AS1321? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AS1321 Seattle to Santa Rosa on-time performance, measured from the SEA and STS airport boards.
https://proflightsearch.com/flight/AS1321
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