| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 28 | DEN | STL | 19:08 | 21:47 |
Landed
|
Track > |
| Sep 27 | DEN | STL | 18:24 | 21:02 |
Landed Late
|
Track > |
| Sep 21 | DEN | STL | 19:04 | 21:39 |
Landed
|
Track > |
| Sep 20 | DEN | STL | 17:55 | 20:29 |
Landed
|
Track > |
| Sep 14 | DEN | STL | 19:04 | 21:47 |
Landed
|
Track > |
| Sep 13 | DEN | STL | 18:27 | 21:10 |
Landed Late
|
Track > |
| Sep 07 | DEN | STL | 19:23 | 22:06 |
Landed
|
Track > |
| Sep 06 | DEN | STL | 17:57 | 20:31 |
Landed
|
Track > |
| Aug 30 | DEN | STL | 18:03 | 20:35 |
Landed
|
Track > |
| Aug 24 | DEN | STL | 21:29 | 00:11 |
Delayed
|
Track > |
Southwest Airlines Flight WN2521 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 WN2521 flight from Denver to St. Louis?
The average flight time from Denver to St. Louis is 1 hour and 38 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 755 km/h / 469 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN2521 Denver to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN2521 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN2521 arriving at?
Flight WN2521 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN2521 flight?
The latest flight took off on Monday, September 29th, 2025 with the flight status being Landed on 21:47.
How else can the flight WN2521 be referenced as?
This Southwest Airlines flight can also be referenced as SWA2521, WN 2521, SWA 2521.
How often is flight WN2521 delayed?
On average, 40% of all WN2521 flights are delayed. The average delay is 47 minutes.
Can I get compensation for my delayed or cancelled WN2521 flight or baggage issues?
If your WN2521 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 WN2521 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN2082, WN3227, WN1423, WN4332
Other flights arriving at St. Louis STL: WN2446, WN2598, AA6350, WN3028
All flights connecting Denver DEN to St. Louis STL.
