WN3774Southwest Airlines · SFO → DEN
live · 17m ago
Route confirmed Southwest Airlines

WN3774 San FranciscoSFO · 06:20 DenverDEN · 09:50

WN3774 by Southwest Airlines flies from San Francisco (SFO) to Denver (DEN) for the Sat, Oct 24 departure.

Right nowLanded in Denver · today
09:49

arrived at DEN · 1 min early

Typical gate push+0 minmedian posted departure
Typical arrival+1 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-24
−1 gate · −1 arrival
10-23
+0 gate · −1 arrival
10-22
+0 gate · +1 arrival
10-21
−1 gate · +1 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
SFOSan FranciscoOn-time likelySFO delay board →
DENDenverOn-time likelyDEN delay board →
SFO→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
50%Chance of 15+ min delay
1.9%Chance of cancellation
+14 minAvg hub delay right now

Conditions at SFO and DEN 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 San Francisco to Denver flights today

same route · Southwest Airlines
WN1707departs 09:20
WN4619departs 09:35
WN2259departs 11:00
WN3776departs 11:45
WN4294departs 13:25
WN137departs 14:15

If WN3774 is cancelled, these are the other Southwest Airlines nonstop flights from San Francisco to Denver on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3774 actually runs

Pro Flight Search has tracked every published board update for WN3774 across the SFO and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3774 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
10-24SFO 06:20 06:19 (−1)DEN 09:50 09:49 (−1)
10-23SFO 06:00 (+0)DEN 09:30 09:29 (−1)
10-22SFO 06:00 (+0)DEN 09:30 09:31 (+1)
10-21SFO 06:15 06:14 (−1)DEN 09:45 09:46 (+1)

Aircraft

Recent tails: N8318F, N8572X, N7875A.

Board clocks recorded as SFO and DEN 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 — WN3774 San Francisco to Denver on-time performance, measured from the SFO and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3774
How we measure this →