| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 02 | STL | LAX | 23:15 | 00:31 |
Landed
|
Track > |
| Jul 29 | STL | LAX | 23:05 | 00:21 |
Delayed
|
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| Jul 28 | STL | LAX | 22:28 | 23:44 |
Landed Late
|
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| Jul 26 | STL | LAX | 23:43 | 00:58 |
Landed
|
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| Jul 22 | STL | LAX | 21:48 | 23:06 |
Landed
|
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| Jul 21 | STL | LAX | 21:49 | 23:04 |
Landed
|
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| Jul 19 | STL | LAX | 00:05 | 01:15 |
Landed Late
|
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| Jul 15 | STL | LAX | 21:34 | 22:47 |
Landed
|
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| Jul 14 | STL | LAX | 22:28 | 23:33 |
Landed Late
|
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| Jul 12 | STL | LAX | 23:25 | 00:33 |
Landed
|
Track > |
Southwest Airlines Flight WN4556 connects St. Louis, United States to Los Angeles, United States, taking off from St. Louis Lambert International Airport STL and landing at Los Angeles International Airport LAX.
How long is the WN4556 flight from St. Louis to Los Angeles?
The average flight time from St. Louis to Los Angeles is 3 hours and 13 minutes. The flight distance is 2557 km / 1589 miles and the average flight speed is 794 km/h / 494 mph.
How many WN4556 flights are operated per week?
3 flights per week. The flight WN4556 is operated on Monday, Wednesday and Thursday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4556 St. Louis to Los Angeles?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4556 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4556 arriving at?
Flight WN4556 arrives at Los Angeles International Airport (LAX) Terminal 1.
When was the latest WN4556 flight?
The latest flight took off on Monday, August 3rd, 2026 with the flight status being Landed on 00:31.
How else can the flight WN4556 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4556, WN 4556, SWA 4556.
How often is flight WN4556 delayed?
On average, 50% of all WN4556 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled WN4556 flight or baggage issues?
If your WN4556 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 WN4556 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN4515, WN2206, SY3022, K5524
Other flights arriving at Los Angeles LAX: AA738, DL575, AA669, DL2512
All flights connecting St. Louis STL to Los Angeles LAX.