| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 03 | STL | DEN | 16:15 | 17:32 |
Landed
|
Track > |
| Aug 02 | STL | DEN | 16:21 | 17:05 |
Landed
|
Track > |
| Aug 01 | STL | DEN | 17:24 | 18:11 |
Landed
|
Track > |
| Jul 31 | STL | DEN | 16:20 | 17:14 |
Landed
|
Track > |
| Jul 30 | STL | DEN | 16:43 | 17:38 |
Landed Late
|
Track > |
| Jul 29 | STL | DEN | 18:56 | 19:44 |
Delayed
|
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| Jul 28 | STL | DEN | 18:32 | 19:23 |
Delayed
|
Track > |
| Jul 27 | STL | DEN | 16:40 | 17:27 |
Landed
|
Track > |
| Jul 26 | STL | DEN | 16:44 | 17:26 |
Landed Late
|
Track > |
| Jul 25 | STL | DEN | 18:45 | 19:42 |
Delayed
|
Track > |
Southwest Airlines Flight WN3912 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 WN3912 flight from St. Louis to Denver?
The average flight time from St. Louis to Denver is 1 hour and 52 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 665 km/h / 413 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3912 St. Louis to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3912 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3912 flight?
The latest flight took off on Monday, August 3rd, 2026 with the flight status being Landed on 17:32.
How else can the flight WN3912 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3912, WN 3912, SWA 3912.
How often is flight WN3912 delayed?
On average, 80% of all WN3912 flights are delayed. The average delay is 53 minutes.
Can I get compensation for my delayed or cancelled WN3912 flight or baggage issues?
If your WN3912 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 WN3912 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN4937, WN4988, WN3882, WN5049
Other flights arriving at Denver DEN: UA1918, UA314, UA296, WN1880
All flights connecting St. Louis STL to Denver DEN.
