AS539 Los AngelesLAX · 10:01 San FranciscoSFO · 11:24
AS539 by Alaska Airlines flies from Los Angeles (LAX) to San Francisco (SFO).
scheduled from LAX
Where the minutes go
last 4 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
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying VFR (visual). 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 Los Angeles to San Francisco flights today
same route · Alaska AirlinesIf AS539 is cancelled, these are the other Alaska Airlines nonstop flights from Los Angeles to San Francisco on the same day, with scheduled departure times in LAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS539 actually runs
Pro Flight Search has tracked every published board update for AS539 across the LAX and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~40 min late. Based on 4 confirmed landings · 0/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AS539 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: N486AS, N563AS, N729AL.
Board clocks recorded as LAX and SFO published them.
Planning around AS539? 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 — AS539 Los Angeles to San Francisco on-time performance, measured from the LAX and SFO airport boards.
https://proflightsearch.com/flight/AS539
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