WN4343 San JoseSJC · 10:30 San DiegoSAN · 12:05
WN4343 by Southwest Airlines flies from San Jose (SJC) to San Diego (SAN).
scheduled from SJC
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. These figures come from both airports' records 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 →
Tomorrow at San Jose
ForecastThu 12 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at San Diego
ForecastThu 12 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
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 · Southwest AirlinesIf WN4343 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to San Diego on the same day, with scheduled departure times in SJC local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How WN4343 actually runs
Pro Flight Search has tracked every published board update for WN4343 across the SJC and SAN boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +30 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4343 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: N8838Q.
Board clocks recorded as SJC and SAN published them.
Planning around WN4343? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN4343 San Jose to San Diego on-time performance, measured from the SJC and SAN airport boards.
https://proflightsearch.com/flight/WN4343
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