WN4043Southwest Airlines · LAS → HOU
live · 14m ago
Route confirmed Southwest Airlines

WN4043 Las VegasLAS · 08:00 HoustonHOU · 13:05

WN4043 by Southwest Airlines flies from Las Vegas (LAS) to Houston (HOU) for the Thu, Sep 17 departure.

Right nowScheduled · gate C1
08:00

departs LAS · on schedule

Typical gate push+5 minmedian posted departure
Typical arrival+18 minmedian over 1 operations

The route today

live boards
LASLas VegasOn-time likelyLAS delay board →
HOUHoustonOn-time likelyHOU delay board →
LAS→HOUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.6%Chance of cancellation
+7 minAvg hub delay right now

Conditions at LAS and HOU 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 Las Vegas to Houston flights today

same route · Southwest Airlines
WN2176departs 00:55
WN138departs 06:30
WN136departs 08:50
WN161departs 09:10
WN126departs 09:45
WN2235departs 10:50

If WN4043 is cancelled, these are the other Southwest Airlines nonstop flights from Las Vegas to Houston on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4043 actually runs

Pro Flight Search has tracked every published board update for WN4043 across the LAS and HOU boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +18 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4043 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-14LAS 08:00 08:05 (+5)HOU 13:05 13:23 (+18)

Board clocks recorded as LAS and HOU published them.

Planning around WN4043? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — WN4043 Las Vegas to Houston on-time performance, measured from the LAS and HOU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4043
How we measure this →