WN4011Southwest Airlines · SMF → SAN
live · 2m ago
Route confirmed Southwest Airlines

WN4011 SacramentoSMF San DiegoSAN

WN4011 by Southwest Airlines flies from Sacramento (SMF) to San Diego (SAN).

Right nowNext departure today Operates daily
09:25

scheduled from SMF

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
SANSan DiegoModerate riskSAN delay board →
SMF→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
55%Chance of 15+ min delay
0.7%Chance of cancellation
+18 minTypical airport delay in this weather

Conditions at SMF 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 SMF

Forecast

Thu 5 Nov, local date

High21°Clikely 19°C to 23°C
Low6°Clikely 5°C to 9°C

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

Forecast

Thu 5 Nov, local date

High24°Clikely 23°C to 25°C
Low15°Clikely 14°C to 17°C

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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Sacramento to San Diego flights today

same route · Southwest Airlines
WN3489departs 06:00
WN4372departs 06:00
WN4829departs 06:05
WN4042departs 07:30
WN4373departs 08:00
WN2647departs 08:05

If WN4011 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to San Diego 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 WN4011 actually runs

Pro Flight Search has tracked every published board update for WN4011 across the SMF and SAN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SMF and SAN.

The verdict above is that record speaking, so it reflects how WN4011 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN4011? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN4011 Sacramento to San Diego on-time performance, measured from the SMF and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4011
How we measure this →