| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 03 | STL | MDW | 22:37 | 23:17 |
Landed
|
Track > |
| Aug 02 | STL | MDW | 22:07 | 22:49 |
Landed
|
Track > |
| Aug 01 | STL | MDW | 21:24 | 22:10 |
Landed
|
Track > |
| Jul 31 | STL | MDW | 21:59 | 22:41 |
Landed
|
Track > |
| Jul 30 | STL | MDW | 21:57 | 22:40 |
Landed
|
Track > |
| Jul 29 | STL | MDW | 23:25 | 00:09 |
Delayed
|
Track > |
| Jul 28 | STL | MDW | 00:25 | 22:40 |
Unknown
|
Track > |
| Jul 27 | STL | MDW | 00:05 | 23:05 |
Unknown
|
Track > |
| Jul 26 | STL | MDW | 21:58 | 22:43 |
Landed
|
Track > |
| Jul 25 | STL | MDW | 21:08 | 21:54 |
Landed
|
Track > |
Southwest Airlines Flight WN3957 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago Midway International Airport MDW.
How long is the WN3957 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 43 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 516 km/h / 321 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3957 St. Louis to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3957 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3957 flight?
The latest flight took off on Tuesday, August 4th, 2026 with the flight status being Landed on 23:17.
How else can the flight WN3957 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3957, WN 3957, SWA 3957.
How often is flight WN3957 delayed?
On average, 30% of all WN3957 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled WN3957 flight or baggage issues?
If your WN3957 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 WN3957 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN2269, WN3936, WN4515, WN3979
Other flights arriving at Chicago MDW: WN3448, WN2044, WN2469, WN361
All flights connecting St. Louis STL to Chicago MDW.