WN4223 AustinAUS · 21:00 DenverDEN · 22:20
WN4223 by Southwest Airlines flies from Austin (AUS) to Denver (DEN) for the Fri, Sep 18 departure.
arrival expected at DEN · on schedule
board checked 13m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at AUS and DEN 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Austin to Denver flights today
same route · Southwest AirlinesIf WN4223 is cancelled, these are the other Southwest Airlines nonstop flights from Austin to Denver on the same day, with scheduled departure times in AUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4223 actually runs
Pro Flight Search has tracked every published board update for WN4223 across the AUS and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min late. Based on 3 confirmed landings · 1/3 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN4223 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: N487WN, N215WN, N8838Q.
Board clocks recorded as AUS and DEN published them.
Planning around WN4223? 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 — WN4223 Austin to Denver on-time performance, measured from the AUS and DEN airport boards.
https://proflightsearch.com/flight/WN4223
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