| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | PIT | STL | 19:15 | 19:35 |
Landed
|
Track > |
| Jun 02 | PIT | STL | 19:19 | 19:35 |
Landed
|
Track > |
| Jun 01 | PIT | STL | 20:10 | 20:33 |
Landed
|
Track > |
| May 31 | PIT | STL | 20:23 | 20:41 |
Landed
|
Track > |
| May 29 | PIT | STL | 20:46 | 21:04 |
Landed
|
Track > |
| May 28 | PIT | STL | 20:29 | 20:46 |
Landed
|
Track > |
| May 27 | PIT | STL | 19:24 | 19:49 |
Landed
|
Track > |
| May 26 | PIT | STL | 19:39 | 19:58 |
Landed
|
Track > |
| May 25 | PIT | STL | 20:14 | 20:39 |
Landed
|
Track > |
| May 22 | PIT | STL | 23:22 | 20:55 |
Unknown
|
Track > |
Southwest Airlines Flight WN3945 connects Pittsburgh, United States to St. Louis, United States, taking off from Pittsburgh International Airport PIT and landing at St. Louis Lambert International Airport STL.
How long is the WN3945 flight from Pittsburgh to St. Louis?
The average flight time from Pittsburgh to St. Louis is 1 hour and 20 minutes. The flight distance is 889 km / 552 miles and the average flight speed is 649 km/h / 403 mph.
How many WN3945 flights are operated per week?
5 flights per week. The flight WN3945 is operated on Monday, Tuesday, Wednesday, Friday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3945 Pittsburgh to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3945 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3945 arriving at?
Flight WN3945 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3945 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 19:35.
How else can the flight WN3945 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3945, WN 3945, SWA 3945.
How often is flight WN3945 delayed?
On average, 10% of all WN3945 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled WN3945 flight or baggage issues?
If your WN3945 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 WN3945 Flight Tracker above for more details.
Other flights departing from Pittsburgh PIT: AA1069, DL5818, WN1360, UA3522
Other flights arriving at St. Louis STL: WN908, WN2782, WN2264, WN2291
All flights connecting Pittsburgh PIT to St. Louis STL.