WN4258 San DiegoSAN · 15:30 San FranciscoSFO · 17:00
WN4258 by Southwest Airlines flies from San Diego (SAN) to San Francisco (SFO).
scheduled from SAN
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAN and SFO 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 Diego
ForecastTue 3 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 Francisco
ForecastTue 3 Nov, local date
- 78% chance of rain
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 Diego to San Francisco flights today
same route · Southwest AirlinesIf WN4258 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to San Francisco on the same day, with scheduled departure times in SAN 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 WN4258 actually runs
Pro Flight Search has tracked every published board update for WN4258 across the SAN and SFO boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +57 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4258 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SAN and SFO published them.
Planning around WN4258? 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: WN4258 San Diego to San Francisco on-time performance, measured from the SAN and SFO airport boards.
https://proflightsearch.com/flight/WN4258
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