WN 4721 Denver to St. Louis Flight Status

Southwest Airlines Flight WN4721 from Denver International Airport DEN to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 28th, 2026.
Check the table below for WN4721's most recent flight history:

WN 4721 Flight Status & Schedule

Date Departure Arrival Status
Feb 28 20:50 23:19
Landed
Track >
Feb 21 20:47 23:19
Landed
Track >
Feb 14 20:59 23:30
Landed
Track >

Southwest Airlines WN 4721 Denver to St. Louis Flight Information

Southwest Airlines Flight WN4721 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 WN4721 flight from Denver to St. Louis?

The average flight time from Denver to St. Louis is 1 hour and 30 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 818 km/h / 508 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4721 Denver to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4721 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4721 arriving at?

Flight WN4721 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN4721 flight?

The latest flight took off on Sunday, March 1st, 2026 with the flight status being Landed on 23:19.

How else can the flight WN4721 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4721, WN 4721, SWA 4721.

How often is flight WN4721 delayed?

On average, 0% of all WN4721 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4721 flight or baggage issues?

If your WN4721 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 WN4721 Flight Tracker above for more details.

WN4721 and Denver DEN to St. Louis STL Flights

Other flights departing from Denver DEN: WN4078, WN4636, UA5041, WN206

Other flights arriving at St. Louis STL: WN149, WN3531, WN2637, AA3065

All flights connecting Denver DEN to St. Louis STL.

WN4721 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.