WN3422Southwest Airlines · SFO → DEN
live · 43m ago
Route confirmed Southwest Airlines

WN3422 San FranciscoSFO · 11:15 DenverDEN · 14:55

WN3422 by Southwest Airlines flies from San Francisco (SFO) to Denver (DEN) for the Tue, Aug 18 departure.

Right nowEn route to Denver · off blocks 12:32 · 77 min late
En route

en route from SFO to DEN

En routeWN3422 · position estimated
SFOSan FranciscoDENDenver
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 12:32 · typical taxi-out at SFO ≈ 13 min.

Typical gate push+77 minmedian posted departure
Typical arrival+83 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+43+86+129 min
08-18
+77 gate · +83 arrival
08-17
+77 gate · +83 arrival
08-16
+129 gate · +125 arrival
08-14
+14 gate · −7 arrival
08-13
+19 gate · +15 arrival

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

The last 30 days

arrival outcome per operation

median arrival +83 min · 0 cancelled · 5 operations tracked

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
57%Chance of 15+ min delay
1.8%Chance of cancellation
+22 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
WN4703departs 06:20
WN3317departs 12:40
WN2038departs 13:25
WN3504departs 13:25
WN3551departs 13:30
WN4813departs 15:20

If WN3422 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 WN3422 actually runs

Pro Flight Search has tracked every published board update for WN3422 across the SFO and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~86 min late. Based on 5 confirmed landings · 1/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3422 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
08-18SFO 11:15 12:32 (+77)DEN 14:55 16:18 (+83)
08-17SFO 11:15 12:32 (+77)DEN 14:55 16:18 (+83)
08-16SFO 14:10 16:19 (+129)DEN 17:40 19:45 (+125)
08-14SFO 11:15 11:29 (+14)DEN 14:55 14:48 (−7)
08-13SFO 11:15 11:34 (+19)DEN 14:55 15:10 (+15)

Aircraft

Recent tails: N8818Q, N8830Q, N8560Z, N8891Q.

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 — WN3422 San Francisco to Denver on-time performance, measured from the SFO and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3422
How we measure this →