WN3500 San JoseSJC OntarioONT
WN3500 by Southwest Airlines flies from San Jose (SJC) to Ontario (ONT).
scheduled from SJC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SJC and ONT 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 Jose to Ontario flights today
same route · Southwest AirlinesIf WN3500 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Ontario 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 WN3500 actually runs
Pro Flight Search has tracked every published board update for WN3500 across the SJC and ONT boards: schedule changes, gate pushes and actual clocks. Combined risk score: 4.9/100. Based on airport operations, weather, and cached board history at SJC and ONT.
The verdict above is that record speaking, so it reflects how WN3500 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN3500? 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 — WN3500 San Jose to Ontario on-time performance, measured from the SJC and ONT airport boards.
https://proflightsearch.com/flight/WN3500
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