AS1557 San FranciscoSFO San DiegoSAN
AS1557 by Alaska Airlines flies from San Francisco (SFO) to San Diego (SAN).
scheduled from SFO
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SFO 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 San Francisco to San Diego flights today
same route · Alaska AirlinesIf AS1557 is cancelled, these are the other Alaska Airlines nonstop flights from San Francisco to San Diego on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS1557 actually runs
Pro Flight Search has tracked every published board update for AS1557 across the SFO and SAN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 0.0/100. Based on airport operations, weather, and cached board history at SFO and SAN.
The verdict above is that record speaking, so it reflects how AS1557 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS1557? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS1557 San Francisco to San Diego on-time performance, measured from the SFO and SAN airport boards.
https://proflightsearch.com/flight/AS1557
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