WN4189Southwest Airlines · STL → PHX
live · 5m ago
Route confirmed Southwest Airlines

WN4189 St LouisSTL PhoenixPHX · 00:15

WN4189 by Southwest Airlines flies from St Louis (STL) to Phoenix (PHX) for the Mon, Nov 16 departure.

Right nowExpected in Phoenix · On Time
00:15

arrival expected at PHX · on schedule

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
PHXPhoenixOn-time likelyPHX delay board →
STL→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
1.7%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions 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

Forecast

Mon 16 Nov, local date

High13°Clikely 12°C to 14°C
Low−1°Clikely −2°C to 1°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 Phoenix

Forecast

Mon 16 Nov, local date

High26°Clikely 25°C to 27°C
Low14°Clikely 13°C to 15°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 St Louis to Phoenix flights today

same route · Southwest Airlines
WN1671departs 05:05
WN679departs 05:55
WN130departs 06:20
WN4187departs 08:35
WN115departs 10:45
WN3651departs 11:45

If WN4189 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 WN4189 actually runs

Pro Flight Search has tracked every published board update for WN4189 across the STL and PHX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at STL and PHX.

The verdict above is that record speaking, so it reflects how WN4189 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
11-13CANCELLED

Board clocks recorded as STL and PHX published them.

Planning around WN4189? 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: WN4189 St Louis to Phoenix on-time performance, measured from the STL and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4189
How we measure this →