WN3736Southwest Airlines · DEN → SFO
live · 5m ago
Route confirmed Southwest Airlines

WN3736 DenverDEN · 10:50 San FranciscoSFO · 12:25

WN3736 by Southwest Airlines flies from Denver (DEN) to San Francisco (SFO) for the Fri, Sep 11 departure.

Right nowDelayed · gate C59
11:30

departs DEN · 40 min late

Typical gate push+3 minmedian posted departure
Typical arrival+13 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-10
+1 gate · −5 arrival
09-07
+53 gate · +45 arrival
09-04
+3 gate · +13 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
DENDenverOn-time likelyDEN delay board →
SFOSan FranciscoOn-time likelySFO delay board →
DEN→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
57%Chance of 15+ min delay
2.0%Chance of cancellation
+23 minAvg hub delay right now

Driven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). 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 Francisco flights today

same route · Southwest Airlines
WN3604departs 08:50
WN4760departs 09:15
WN731departs 12:00
WN4691departs 12:35
WN664departs 15:15
WN4785departs 15:45

If WN3736 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to San Francisco 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 WN3736 actually runs

Pro Flight Search has tracked every published board update for WN3736 across the DEN and SFO boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +13 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3736 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
09-10DEN 09:35 09:36 (+1)SFO 11:15 11:10 (−5)
09-07DEN 09:35 10:28 (+53)SFO 11:15 12:00 (+45)
09-04DEN 09:35 09:38 (+3)SFO 11:15 11:28 (+13)

Aircraft

Recent tails: N9014W, N967WN, N232WN.

Board clocks recorded as DEN and SFO 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 — WN3736 Denver to San Francisco on-time performance, measured from the DEN and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3736
How we measure this →