AS3897 SeattleSEA San JoseSJC
AS3897 by Alaska Airlines flies from Seattle (SEA) to San Jose (SJC).
scheduled from SEA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SEA and SJC 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 Jose flights today
same route · Alaska AirlinesIf AS3897 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to San Jose 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 AS3897 actually runs
Pro Flight Search has tracked every published board update for AS3897 across the SEA and SJC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 3.9/100. Based on airport operations, weather, and cached board history at SEA and SJC.
The verdict above is that record speaking, so it reflects how AS3897 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS3897? 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 — AS3897 Seattle to San Jose on-time performance, measured from the SEA and SJC airport boards.
https://proflightsearch.com/flight/AS3897
.