Are you looking for the June 3rd, 2026 WN 140 St. Louis to Detroit flight? Click here to go to our WN140 St. Louis to Detroit Flight Status page >

WN 140 Denver to St. Louis Flight Status

Southwest Airlines Flight WN140 from Denver International Airport DEN to St. Louis Lambert International Airport STL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for WN140's most recent flight history:

WN 140 Flight Status & Schedule

Date Departure Arrival Status
May 31 17:09 19:42
Landed
Track >
May 17 17:31 20:09
Landed
Track >
May 10 17:05 19:40
Landed
Track >
May 03 17:11 20:10
Unknown
Track >
Apr 26 17:24 20:06
Landed
Track >

Southwest Airlines WN 140 Denver to St. Louis Flight Information

Southwest Airlines Flight WN140 connects Denver, United States to St. Louis, United States, taking off from Denver International Airport DEN and landing at St. Louis Lambert International Airport STL.

How long is the WN140 flight from Denver to St. Louis?

The average flight time from Denver to St. Louis is 1 hour and 39 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 754 km/h / 468 mph.

How many WN140 flights are operated per week?

1 flight per week. The flight WN140 is operated on Sunday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN140 Denver to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN140 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN140 arriving at?

Flight WN140 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN140 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 19:42.

How else can the flight WN140 be referenced as?

This Southwest Airlines flight can also be referenced as SWA140, WN0140, WN 140, SWA 140.

How often is flight WN140 delayed?

On average, 57% of all WN140 flights are delayed. The average delay is 17 minutes.

Can I get compensation for my delayed or cancelled WN140 flight or baggage issues?

If your WN140 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 WN140 Flight Tracker above for more details.

WN140 and Denver DEN to St. Louis STL Flights

Other flights departing from Denver DEN: F93174, UA3779, F91874, F92890

Other flights arriving at St. Louis STL: F93108, AA2686, AC8891, WN116

All flights connecting Denver DEN to St. Louis STL.

WN140 Southwest Airlines Flight: Denver to St. Louis Route Map

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.