WN1940Southwest Airlines · HOU → LAS
live · 6m ago
Route confirmed Southwest Airlines

WN1940 HoustonHOU Las VegasLAS

WN1940 by Southwest Airlines flies from Houston (HOU) to Las Vegas (LAS).

Right nowNext departure today Operates daily
21:20

scheduled from HOU

The route today

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

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.4%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at HOU and LAS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Houston to Las Vegas with Southwest Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
13%1.2× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 7 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Houston to Las Vegas flights today

same route · Southwest Airlines
WN2054departs 05:55
WN3775departs 06:50
WN2705departs 07:40
WN1776departs 08:10
WN4452departs 08:25
WN358departs 08:45

If WN1940 is cancelled, these are the other Southwest Airlines nonstop flights from Houston to Las Vegas on the same day, with scheduled departure times in HOU local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN1940 actually runs

Pro Flight Search has tracked every published board update for WN1940 across the HOU and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 7.5/100. Based on airport operations, weather, and cached board history at HOU and LAS.

The verdict above is that record speaking, so it reflects how WN1940 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN1940? 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: WN1940 Houston to Las Vegas on-time performance, measured from the HOU and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1940
How we measure this →