WN5066Southwest Airlines · DEN → STL
live · 25m ago
Route confirmed Southwest Airlines

WN5066 DenverDEN St LouisSTL

WN5066 by Southwest Airlines flies from Denver (DEN) to St Louis (STL).

Right nowNext departure today Operates daily
11:15

scheduled from DEN

The route today

live boards
DENDenverOn-time likelyDEN delay board →
STLSt LouisOn-time likelySTL delay board →
DEN→STLevery 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
2.0%Chance of cancellation
+9 minAvg hub delay right now

Conditions at DEN and STL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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

Denver to St Louis with Southwest Airlines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
13%1.0× 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 6 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 Denver to St Louis flights today

same route · Southwest Airlines
WN1796departs 05:50
WN4346departs 06:20
WN301departs 06:35
WN3140departs 07:10
WN2129departs 07:25
WN767departs 08:55

If WN5066 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to St Louis on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN5066 actually runs

Pro Flight Search has tracked every published board update for WN5066 across the DEN and STL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.0/100. Based on airport operations, weather, and cached board history at DEN and STL.

The verdict above is that record speaking, so it reflects how WN5066 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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 — WN5066 Denver to St Louis on-time performance, measured from the DEN and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN5066
How we measure this →