WN5158Southwest Airlines · STL → HOU
live · 17m ago
Route confirmed Southwest Airlines

WN5158 St LouisSTL HoustonHOU

WN5158 by Southwest Airlines flies from St Louis (STL) to Houston (HOU).

Right nowNext departure today Operates daily
14:45

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
HOUHoustonOn-time likelyHOU delay board →
STL→HOUevery 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
0.5%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at STL and HOU 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 at St Louis

Forecast

Tue 10 Nov, local date

High20°Clikely 18°C to 22°C
Low8°Clikely 6°C to 10°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 Houston

Forecast

Tue 10 Nov, local date

High24°Clikely 21°C to 26°C
Low16°Clikely 14°C to 17°C
  • 89% chance of rain

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 St Louis to Houston flights today

same route · Southwest Airlines
WN2344departs 05:10
WN4761departs 08:30
WN4962departs 14:00
WN1424departs 17:00
WN5065departs 17:40
WN3155departs 18:50

If WN5158 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Houston on the same day, with scheduled departure times in STL 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 WN5158 actually runs

Pro Flight Search has tracked every published board update for WN5158 across the STL and HOU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at STL and HOU.

The verdict above is that record speaking, so it reflects how WN5158 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN5158? 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: WN5158 St Louis to Houston on-time performance, measured from the STL and HOU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN5158
How we measure this →