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WN 2143 St. Louis to Denver Flight Status

Southwest Airlines Flight WN2143 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 March 4th, 2026.
Check the table below for WN2143's most recent flight history:

WN 2143 Flight Status & Schedule

Date Departure Arrival Status
Mar 04 06:30 07:28
Landed
Track >
Mar 03 06:33 07:38
Landed
Track >
Mar 01 05:33 06:40
Landed
Track >
Feb 28 05:58 07:03
Landed
Track >
Feb 27 05:39 06:39
Landed
Track >

Southwest Airlines WN 2143 St. Louis to Denver Flight Information

Southwest Airlines Flight WN2143 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 WN2143 flight from St. Louis to Denver?

The average flight time from St. Louis to Denver is 2 hours and 3 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 600 km/h / 373 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN2143 St. Louis to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN2143 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN2143 flight?

The latest flight took off on Wednesday, March 4th, 2026 with the flight status being Landed on 07:28.

How else can the flight WN2143 be referenced as?

This Southwest Airlines flight can also be referenced as SWA2143, WN 2143, SWA 2143.

How often is flight WN2143 delayed?

On average, 0% of all WN2143 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN2143 flight or baggage issues?

If your WN2143 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 WN2143 Flight Tracker above for more details.

WN2143 and St. Louis STL to Denver DEN Flights

Other flights departing from St. Louis STL: AA4602, AA6195, WN920, WN3795

Other flights arriving at Denver DEN: WN2053, WN492, WN2255, WN1971

All flights connecting St. Louis STL to Denver DEN.

WN2143 Southwest Airlines Flight: St. Louis to Denver 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.