| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 21 | DAL | STL | 18:30 | 20:10 |
Scheduled
|
Track > |
| Sep 19 | DAL | STL | 18:18 | 19:34 |
Landed
|
Track > |
| Sep 18 | DAL | STL | 18:50 | 20:03 |
Landed
|
Track > |
| Sep 17 | DAL | STL | 19:16 | 20:29 |
Landed Late
|
Track > |
| Sep 14 | DAL | STL | 19:06 | 20:22 |
Landed
|
Track > |
| Sep 12 | DAL | STL | 19:03 | 20:20 |
Landed
|
Track > |
| Sep 11 | DAL | STL | 19:09 | 20:30 |
Landed Late
|
Track > |
| Sep 10 | DAL | STL | 19:06 | 20:29 |
Landed Late
|
Track > |
| Sep 07 | DAL | STL | 19:11 | 20:28 |
Landed Late
|
Track > |
| Sep 04 | DAL | STL | 19:14 | 20:33 |
Landed Late
|
Track > |
Southwest Airlines Flight WN4120 connects Dallas, United States to St. Louis, United States, taking off from Dallas Love Field Airport DAL and landing at St. Louis Lambert International Airport STL.
How long is the WN4120 flight from Dallas to St. Louis?
The average flight time from Dallas to St. Louis is 1 hour and 17 minutes. The flight distance is 878 km / 546 miles and the average flight speed is 668 km/h / 415 mph.
How many WN4120 flights are operated per week?
4 flights per week. The flight WN4120 is operated on Monday, Thursday, Friday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4120 Dallas to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4120 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4120 arriving at?
Flight WN4120 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN4120 flight?
The latest flight took off on Tuesday, September 22nd, 2026 with the flight status being Scheduled on 20:10.
How else can the flight WN4120 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4120, WN 4120, SWA 4120.
How often is flight WN4120 delayed?
On average, 60% of all WN4120 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled WN4120 flight or baggage issues?
If your WN4120 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 WN4120 Flight Tracker above for more details.
Other flights departing from Dallas DAL: DL2780, WN49, WN1225, WN1492
Other flights arriving at St. Louis STL: 9E4926, WN2473, WN3312, AC8891
All flights connecting Dallas DAL to St. Louis STL.