WN4035Southwest Airlines · DEN → SAT
live · 4m ago
Route confirmed Southwest Airlines

WN4035 DenverDEN · 18:00 San AntonioSAT · 16:30

WN4035 by Southwest Airlines flies from Denver (DEN) to San Antonio (SAT).

Right nowNext departure today Operates daily
15:40

scheduled from DEN

Typical gate push+0 minmedian posted departure
Typical arrival−18 minmedian over 2 operations
Wins back in air~18 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
DENDenverOn-time likelyDEN delay board →
SATSan AntonioOn-time likelySAT delay board →
DEN→SATevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
29%Chance of 15+ min delay
5.7%Chance of cancellation
+7 minAvg hub delay right now

Conditions at DEN and SAT are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 Denver to San Antonio flights today

same route · Southwest Airlines
WN1760departs 07:00
WN1311departs 10:30
WN3881departs 10:50
WN365departs 10:55
WN376departs 10:55
WN3344departs 13:00

If WN4035 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to San Antonio on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4035 actually runs

Pro Flight Search has tracked every published board update for WN4035 across the DEN and SAT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +0 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4035 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-14DEN 18:00 (+0)SAT 16:30 16:12 (−18)
09-30DEN 18:00 (+0)SAT 16:30 16:12 (−18)

Aircraft

Recent tails: N7847A.

Board clocks recorded as DEN and SAT published them.

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 — WN4035 Denver to San Antonio on-time performance, measured from the DEN and SAT airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4035
How we measure this →