AS635 SeattleSEA · 16:59 San DiegoSAN · 19:54
AS635 by Alaska Airlines flies from Seattle (SEA) to San Diego (SAN) for the Tue, Sep 22 departure.
departs SEA · on schedule
board checked 14m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SEA and SAN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to San Diego flights today
same route · Alaska AirlinesIf AS635 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to San Diego 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 AS635 actually runs
Pro Flight Search has tracked every published board update for AS635 across the SEA and SAN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.5/100. Based on airport operations, weather, and cached board history at SEA and SAN.
The verdict above is that record speaking, so it reflects how AS635 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 SAN published them.
Planning around AS635? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS635 Seattle to San Diego on-time performance, measured from the SEA and SAN airport boards.
https://proflightsearch.com/flight/AS635
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