| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | STL | DEN | 18:51 | 19:53 |
Landed
|
Track > |
| Jan 02 | STL | DEN | 18:47 | 19:39 |
Landed
|
Track > |
| Dec 30 | STL | DEN | 19:08 | 20:05 |
Landed
|
Track > |
| Dec 29 | STL | DEN | 19:06 | 19:59 |
Landed
|
Track > |
| Dec 28 | STL | DEN | 19:14 | 20:14 |
Landed
|
Track > |
| Dec 26 | STL | DEN | 18:54 | 19:53 |
Landed
|
Track > |
| Dec 23 | STL | DEN | 18:52 | 19:53 |
Landed
|
Track > |
| Dec 22 | STL | DEN | 19:00 | 19:58 |
Landed
|
Track > |
| Dec 21 | STL | DEN | 19:08 | 20:08 |
Landed
|
Track > |
| Dec 19 | STL | DEN | 23:12 | 20:05 |
Unknown
|
Track > |
Southwest Airlines Flight WN4127 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 WN4127 flight from St. Louis to Denver?
The average flight time from St. Louis to Denver is 1 hour and 58 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 619 km/h / 384 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4127 St. Louis to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4127 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4127 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 19:53.
How else can the flight WN4127 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4127, WN 4127, SWA 4127.
How often is flight WN4127 delayed?
On average, 20% of all WN4127 flights are delayed. The average delay is 6 minutes.
Can I get compensation for my delayed or cancelled WN4127 flight or baggage issues?
If your WN4127 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 WN4127 Flight Tracker above for more details.
Other flights departing from St. Louis STL: UA5523, WN1722, WN2220, WN4379
Other flights arriving at Denver DEN: WN443, WN1034, UA531, WN4251
All flights connecting St. Louis STL to Denver DEN.