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WN 126 St. Louis to Denver Flight Status

Southwest Airlines Flight WN126 from St. Louis Lambert International Airport STL to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 3rd, 2025.
Check the table below for WN126's most recent flight history:

WN 126 Flight Status & Schedule

Date Departure Arrival Status
Aug 03 12:56 13:47
Delayed
Track >
Jul 27 11:55 12:45
Landed
Track >
Jul 20 12:11 13:08
Landed
Track >
Jul 13 12:37 13:21
Landed
Track >
Jul 06 12:17 13:07
Landed
Track >

Southwest Airlines WN 126 St. Louis to Denver Flight Information

Southwest Airlines Flight WN126 connects St. Louis, United States to Denver, United States, taking off from St. Louis Lambert International Airport STL and landing at Denver International Airport DEN.

How long is the WN126 flight from St. Louis to Denver?

The average flight time from St. Louis to Denver is 1 hour and 51 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 668 km/h / 415 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN126 St. Louis to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN126 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN126 arriving at?

Flight WN126 arrives at Denver International Airport (DEN) Terminal N.

When was the latest WN126 flight?

The latest flight took off on Sunday, August 3rd, 2025 with the flight status being En-Route on 13:47.

How else can the flight WN126 be referenced as?

This Southwest Airlines flight can also be referenced as SWA126, WN0126, WN 126, SWA 126.

How often is flight WN126 delayed?

On average, 44% of all WN126 flights are delayed. The average delay is 18 minutes.

Can I get compensation for my delayed or cancelled WN126 flight or baggage issues?

If your WN126 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN126 Flight Tracker above for more details.

WN126 and St. Louis STL to Denver DEN Flights

Other flights departing from St. Louis STL: WN4608, WN816, WN3975, WN421

Other flights arriving at Denver DEN: AA2943, WN1731, WN2128, WN4491

All flights connecting St. Louis STL to Denver DEN.

WN126 Southwest Airlines Flight: St. Louis to Denver Route Map

WN126 Southwest Airlines Flight Map: St. Louis to Denver
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.