WN4111 St LouisSTL · 08:25 PhoenixPHX · 09:50
WN4111 by Southwest Airlines flies from St Louis (STL) to Phoenix (PHX).
scheduled from STL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at STL and PHX 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
ForecastWed 4 Nov, local date
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 PHX
ForecastWed 4 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other St Louis to Phoenix flights today
same route · Southwest AirlinesIf WN4111 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Phoenix 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 WN4111 actually runs
Pro Flight Search has tracked every published board update for WN4111 across the STL and PHX boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: left noticeably late (~21 min) but landed about 12 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4111 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N8701Q.
Board clocks recorded as STL and PHX published them.
Planning around WN4111? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WN4111 St Louis to Phoenix on-time performance, measured from the STL and PHX airport boards.
https://proflightsearch.com/flight/WN4111
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