AS3391 San JoseSJC SeattleSEA
AS3391 by Alaska Airlines flies from San Jose (SJC) to Seattle (SEA).
scheduled from SJC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SJC and SEA 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.
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 San Jose to Seattle flights today
same route · Alaska AirlinesIf AS3391 is cancelled, these are the other Alaska Airlines nonstop flights from San Jose to Seattle on the same day, with scheduled departure times in SJC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS3391 actually runs
Pro Flight Search has tracked every published board update for AS3391 across the SJC and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SJC and SEA.
The verdict above is that record speaking, so it reflects how AS3391 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS3391? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS3391 San Jose to Seattle on-time performance, measured from the SJC and SEA airport boards.
https://proflightsearch.com/flight/AS3391
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