| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 01 | STL | LGB | 10:40 | 12:10 |
Landed
|
Track > |
| Sep 30 | STL | LGB | 11:19 | 12:50 |
Delayed
|
Track > |
| Sep 24 | STL | LGB | 10:38 | 12:09 |
Landed
|
Track > |
| Sep 23 | STL | LGB | 10:41 | 12:20 |
Landed
|
Track > |
| Sep 17 | STL | LGB | 10:40 | 12:12 |
Landed
|
Track > |
| Sep 16 | STL | LGB | 10:36 | 12:08 |
Landed
|
Track > |
| Sep 10 | STL | LGB | 10:34 | 12:15 |
Landed
|
Track > |
| Sep 09 | STL | LGB | 10:39 | 12:15 |
Landed
|
Track > |
| Sep 03 | STL | LGB | 10:33 | 12:05 |
Landed
|
Track > |
| Sep 02 | STL | LGB | 10:39 | 12:11 |
Landed
|
Track > |
Southwest Airlines Flight WN4120 connects St. Louis, United States to Long Beach, United States, taking off from St. Louis Lambert International Airport STL and landing at Long Beach Airport LGB.
How long is the WN4120 flight from St. Louis to Long Beach?
The average flight time from St. Louis to Long Beach is 3 hours and 33 minutes. The flight distance is 2539 km / 1578 miles and the average flight speed is 713 km/h / 443 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4120 St. Louis to Long Beach?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4120 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4120 flight?
The latest flight took off on Wednesday, October 1st, 2025 with the flight status being Landed on 12:10.
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, 10% of all WN4120 flights are delayed. The average delay is 30 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 St. Louis STL: WN2803, WN1962, WN2185, WN2317
Other flights arriving at Long Beach LGB: WN1584, WN3472, WN3494, WN1156
All flights connecting St. Louis STL to Long Beach LGB.
