WN3544Southwest Airlines · SEA → LAS
live · 38m ago
Route confirmed Southwest Airlines

WN3544 SeattleSEA · 19:20 Las VegasLAS · 17:20

WN3544 by Southwest Airlines flies from Seattle (SEA) to Las Vegas (LAS) for the Sun, Sep 20 departure.

Same number through SEA → SMF → LAS

Right nowEstimated · gate B12 · as of 13:23
19:49

departs SEA · 29 min late

The route today

live boards
SEASeattleOn-time likelySEA delay board →
LASLas VegasOn-time likelyLAS delay board →
SEA→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
0.9%Chance of cancellation
+5 minAvg hub delay right now

Conditions at SEA and LAS 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 Seattle to Las Vegas flights today

same route · Southwest Airlines
WN3542departs 05:30
WN3070departs 06:05
WN3543departs 09:45
WN4652departs 12:25
WN888departs 13:55
WN359departs 14:35

If WN3544 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Las Vegas on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3544 actually runs

Pro Flight Search has tracked every published board update for WN3544 across the SEA and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +19 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3544 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
09-18SEA 15:25LAS
09-17SEA 15:25LAS
09-16SEA 19:30LAS

Aircraft

Recent tails: N245WN, N7857B.

Board clocks recorded as SEA and LAS 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 — WN3544 Seattle to Las Vegas on-time performance, measured from the SEA and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3544
How we measure this →