WN4389Southwest Airlines · HOU → LAS
live · 11m ago
Route confirmed Southwest Airlines

WN4389 HoustonHOU · 17:00 Las VegasLAS · 18:10

WN4389 by Southwest Airlines flies from Houston (HOU) to Las Vegas (LAS).

Right nowNext departure today Operates daily
10:40

scheduled from HOU

Wins back in air~33 minmedian gate push vs arrival · how planes make up time →

The route today

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

Weather lens

Weather-conditioned outlook for this flight right now

Early read, sample still building
46%Chance of 15+ min delay
0.3%Chance of cancellation
+18 minTypical airport delay in this weather

Driven mainly by HOU (Houston), currently flying IFR (instrument). These figures come from both airports' records under conditions like today's, over the last 90 days. This route has few tracked flights so far, so treat this as an early read.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at HOU

Forecast

Thu 12 Nov, local date

High25°Clikely 23°C to 27°C
Low15°Clikely 13°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at LAS

Forecast

Thu 12 Nov, local date

High23°Clikely 22°C to 25°C
Low13°Clikely 12°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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
WN2100departs 06:05
WN4385departs 07:55
WN1567departs 09:15
WN1489departs 11:00
WN1241departs 12:20
WN2103departs 14:20

If WN4389 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 WN4389 actually runs

Pro Flight Search has tracked every published board update for WN4389 across the HOU and LAS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +69 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4389 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
10-30HOU 17:00 18:45 (+105)LAS 18:10 18:46 (+36)
10-29HOU 17:00 17:33 (+33)LAS

Board clocks recorded as HOU and LAS published them.

Planning around WN4389? 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: WN4389 Houston to Las Vegas on-time performance, measured from the HOU and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4389
How we measure this →