| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | COS | DEN | 16:43 | 17:07 |
Landed
|
Track > |
| Mar 03 | COS | DEN | 16:39 | 16:58 |
Landed
|
Track > |
| Mar 02 | COS | DEN | 17:53 | 18:13 |
Landed Late
|
Track > |
| Mar 01 | COS | DEN | 18:21 | 18:42 |
Landed
|
Track > |
| Feb 28 | COS | DEN | 16:52 | 17:10 |
Landed
|
Track > |
| Feb 27 | COS | DEN | 19:01 | 19:23 |
Landed Late
|
Track > |
| Feb 26 | COS | DEN | 18:33 | 18:56 |
Landed
|
Track > |
| Feb 25 | COS | DEN | 17:49 | 18:08 |
Landed Late
|
Track > |
| Feb 24 | COS | DEN | 17:07 | 17:24 |
Landed
|
Track > |
| Feb 23 | COS | DEN | 16:56 | 17:17 |
Landed
|
Track > |
Southwest Airlines Flight WN421 connects Colorado Springs, United States to Denver, United States, taking off from Colorado Springs Airport COS and landing at Denver International Airport DEN.
How long is the WN421 flight from Colorado Springs to Denver?
The average flight time from Colorado Springs to Denver is 20 minutes. The flight distance is 117 km / 73 miles and the average flight speed is 349 km/h / 217 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN421 Colorado Springs to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN421 arriving at?
Flight WN421 arrives at Denver International Airport (DEN) Terminal C.
When was the latest WN421 flight?
The latest flight took off on Thursday, March 5th, 2026 with the flight status being Landed on 17:07.
How else can the flight WN421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA421, WN0421, WN 421, SWA 421.
How often is flight WN421 delayed?
On average, 30% of all WN421 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled WN421 flight or baggage issues?
If your WN421 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 WN421 Flight Tracker above for more details.
Other flights departing from Colorado Springs COS: UA281, WN1158, OO5197, OO5197
Other flights arriving at Denver DEN: WN2611, WN3593, WN194, WN1828
All flights connecting Colorado Springs COS to Denver DEN.