WN4057Southwest Airlines · SAN → TUS
live · 11m ago
Route confirmed Southwest Airlines

WN4057 San DiegoSAN TucsonTUS

WN4057 by Southwest Airlines flies from San Diego (SAN) to Tucson (TUS).

Right nowNext departure today Operates daily
19:00

scheduled from SAN

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
TUSTucsonHigh riskTUS delay board →
SAN→TUSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
56%Chance of 15+ min delay
0.9%Chance of cancellation
+18 minTypical airport delay in this weather

Conditions at SAN and TUS 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 on this route

Forecast

San Diego to Tucson with Southwest Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.2%2.4× usual
Chance a departure leaves 60+ min late
13%0.7× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · 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 San Diego to Tucson flights today

same route · Southwest Airlines
WN3194departs 08:40
WN1465departs 08:45
WN2942departs 09:00
WN3697departs 09:05
WN3345departs 16:25
WN205departs 17:50

If WN4057 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Tucson 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 WN4057 actually runs

Pro Flight Search has tracked every published board update for WN4057 across the SAN and TUS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SAN and TUS.

The verdict above is that record speaking, so it reflects how WN4057 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN4057? 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: WN4057 San Diego to Tucson on-time performance, measured from the SAN and TUS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4057
How we measure this →