| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 31 | PHL | STL | 15:54 | 16:56 |
Landed
|
Track > |
| Oct 30 | PHL | STL | 21:13 | 22:08 |
Landed Late
|
Track > |
| Oct 29 | PHL | STL | 08:18 | 09:23 |
Landed
|
Track > |
| Oct 28 | PHL | STL | 08:22 | 09:20 |
Landed
|
Track > |
| Oct 27 | PHL | STL | 21:14 | 22:07 |
Landed Late
|
Track > |
| Oct 26 | PHL | STL | 21:02 | 21:54 |
Landed
|
Track > |
| Oct 24 | PHL | STL | 20:28 | 21:30 |
Landed
|
Track > |
| Oct 23 | PHL | STL | 20:17 | 21:14 |
Landed
|
Track > |
| Oct 22 | PHL | STL | 08:24 | 09:31 |
Landed
|
Track > |
| Oct 21 | PHL | STL | 08:17 | 09:19 |
Landed
|
Track > |
Southwest Airlines Flight WN4143 connects Philadelphia, United States to St. Louis, United States, taking off from Philadelphia International Airport PHL and landing at St. Louis Lambert International Airport STL.
How long is the WN4143 flight from Philadelphia to St. Louis?
The average flight time from Philadelphia to St. Louis is 1 hour and 59 minutes. The flight distance is 1306 km / 811 miles and the average flight speed is 658 km/h / 409 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4143 Philadelphia to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4143 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4143 arriving at?
Flight WN4143 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN4143 flight?
The latest flight took off on Friday, October 31st, 2025 with the flight status being Landed on 16:56.
How else can the flight WN4143 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4143, WN 4143, SWA 4143.
How often is flight WN4143 delayed?
On average, 30% of all WN4143 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled WN4143 flight or baggage issues?
If your WN4143 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 WN4143 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: AA3015, AA5524, AA1934, AA1093
Other flights arriving at St. Louis STL: WN3775, WN2746, WN3081, WN752
All flights connecting Philadelphia PHL to St. Louis STL.
