AS3039 San JoseSJC · 10:12 San DiegoSAN · 11:50
AS3039 by Alaska Airlines flies from San Jose (SJC) to San Diego (SAN).
scheduled from SJC
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SJC 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.
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 San Diego flights today
same route · Alaska AirlinesIf AS3039 is cancelled, these are the other Alaska Airlines nonstop flights from San Jose to San Diego 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 AS3039 actually runs
Pro Flight Search has tracked every published board update for AS3039 across the SJC and SAN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left about 6 min early but landed about 18 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS3039 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N196SY, N194SY, N412SY.
Board clocks recorded as SJC and SAN published them.
Planning around AS3039? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS3039 San Jose to San Diego on-time performance, measured from the SJC and SAN airport boards.
https://proflightsearch.com/flight/AS3039
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