AS3031 OntarioONT · 17:45 Santa RosaSTS
AS3031 by Alaska Airlines flies from Ontario (ONT) to Santa Rosa (STS) for the Sun, Oct 25 departure.
departs ONT · on schedule
board checked 753m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 13 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Ontario to Santa Rosa flights today
same route · Alaska AirlinesIf AS3031 is cancelled, this is the other Alaska Airlines nonstop flight from Ontario to Santa Rosa on the same day, with scheduled departure times in ONT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS3031 actually runs
Pro Flight Search has tracked every published board update for AS3031 across the ONT and STS boards: schedule changes, gate pushes and actual clocks. Usually departs ~8 min late. Based on 12 confirmed departures · 8/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AS3031 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: N176SY, N404SY, N411SY, N196SY.
Board clocks recorded as ONT and STS published them.
Planning around AS3031? 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 — AS3031 Ontario to Santa Rosa on-time performance, measured from the ONT and STS airport boards.
https://proflightsearch.com/flight/AS3031
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