WN3438Southwest Airlines · DEN → LGB
live · 15m ago
Route confirmed Southwest Airlines

WN3438 DenverDEN · 16:55 Long BeachLGB · 18:20

WN3438 by Southwest Airlines flies from Denver (DEN) to Long Beach (LGB) for the Tue, Sep 15 departure.

Right nowEn route to Long Beach · off blocks 17:48 · 53 min late
En route

en route from DEN to LGB

En routeWN3438 · position estimated
DENDenverLGBLong Beach
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 17:48 · typical taxi-out at DEN ≈ 7 min.

⚖ WN3438 typically leaves +28 and lands +12. The air wins minutes back.
Typical gate push+28 minmedian posted departure
Typical arrival+12 minmedian over 8 operations
Wins back in air~16 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-15
+53 gate · +48 arrival
09-14
+53 gate · +48 arrival
09-13
+28 gate · +12 arrival
09-11
+9 gate · −2 arrival
09-10
+1 gate · −13 arrival
09-07
+18 gate · +8 arrival
09-04
+8 gate · −11 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 +12 min · 0 cancelled · 8 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
LGBLong BeachOn-time likelyLGB delay board →
DEN→LGBevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
40%Chance of 15+ min delay
1.2%Chance of cancellation

Conditions at DEN and LGB 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Long Beach flights today

same route · Southwest Airlines
WN1541departs 09:05
WN1261departs 11:20
WN4297departs 14:35
WN4243departs 15:00
WN4446departs 19:25

If WN3438 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Long Beach 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 WN3438 actually runs

Pro Flight Search has tracked every published board update for WN3438 across the DEN and LGB boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min late. Based on 8 confirmed landings · 5/8 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN3438 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
09-15DEN 16:55 17:48 (+53)LGB 18:20 19:08 (+48)
09-14DEN 16:55 17:48 (+53)LGB 18:20 19:08 (+48)
09-13DEN 08:05 08:33 (+28)LGB 09:30 09:42 (+12)
09-11DEN 16:55 17:04 (+9)LGB 18:20 18:18 (−2)
09-10DEN 16:55 16:56 (+1)LGB 18:20 18:07 (−13)
09-07DEN 16:55 17:13 (+18)LGB 18:20 18:28 (+8)
09-04DEN 16:55 17:03 (+8)LGB 18:20 18:09 (−11)
09-03DEN 16:55 17:27 (+32)LGB 18:20 18:38 (+18)

Aircraft

Recent tails: N7826B, N8675A, N7742B, N475WN.

Board clocks recorded as DEN and LGB 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 — WN3438 Denver to Long Beach on-time performance, measured from the DEN and LGB airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3438
How we measure this →