WN4374 SacramentoSMF · 09:05 DALDAL · 10:40
WN4374 by Southwest Airlines flies from Sacramento (SMF) to DAL (DAL).
Same number through SMF → SAN → DAL
scheduled from SMF
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SMF and DAL 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 SMF
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 Sacramento to DAL flights today
same route · Southwest AirlinesIf WN4374 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to DAL on the same day, with scheduled departure times in SMF 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 WN4374 actually runs
Pro Flight Search has tracked every published board update for WN4374 across the SMF and DAL boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +53 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4374 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: N8509U, N9000D.
Board clocks recorded as SMF and DAL published them.
Planning around WN4374? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN4374 Sacramento to DAL on-time performance, measured from the SMF and DAL airport boards.
https://proflightsearch.com/flight/WN4374
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