AS3897Alaska Airlines · SEA → SJC
live · 15m ago
Route confirmed Alaska Airlines

AS3897 SeattleSEA San JoseSJC

AS3897 by Alaska Airlines flies from Seattle (SEA) to San Jose (SJC).

Right nowNext departure tomorrow Operates daily
14:40

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
SJCSan JoseOn-time likelySJC delay board →
SEA→SJCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
1.0%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions 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. These figures come from both airports' records 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 →

Tomorrow at Seattle

Forecast

Sat 7 Nov, local date

High16°Clikely 14°C to 17°C
Low10°Clikely 7°C to 12°C
  • 93% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at San Jose

Forecast

Sat 7 Nov, local date

High25°Clikely 24°C to 26°C
Low10°Clikely 10°C to 11°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to San Jose flights today

same route · Alaska Airlines
AS1341departs 07:18
AS658departs 10:56
AS1673departs 13:40
AS521departs 13:40
AS730departs 13:41
AS3390departs 14:16

If 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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: 33.0/100. 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

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: AS3897 Seattle to San Jose on-time performance, measured from the SEA and SJC airport boards.

Canonical URL
https://proflightsearch.com/flight/AS3897
How we measure this →