AS633 SeattleSEA SitkaSIT
AS633 by Alaska Airlines flies from Seattle (SEA) to Sitka (SIT).
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 Sitka flights today
same route · Alaska AirlinesIf AS633 is cancelled, this is the other Alaska Airlines nonstop flight from Seattle to Sitka 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 AS633 actually runs
Pro Flight Search has tracked every published board update for AS633 across the SEA and SIT boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SEA and SIT.
The verdict above is that record speaking, so it reflects how AS633 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 SIT published them.
Planning around AS633? 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 — AS633 Seattle to Sitka on-time performance, measured from the SEA and SIT airport boards.
https://proflightsearch.com/flight/AS633
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