| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | STL | MDW | 22:26 | 23:07 |
Landed
|
Track > |
| Jul 18 | STL | MDW | 23:14 | 22:00 |
En-Route
|
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| Jul 17 | STL | MDW | 21:57 | 22:39 |
Landed
|
Track > |
| Jul 16 | STL | MDW | 21:58 | 22:38 |
Landed
|
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| Jul 15 | STL | MDW | 23:31 | 00:13 |
Delayed
|
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| Jul 14 | STL | MDW | 21:26 | 22:11 |
Landed
|
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| Jul 13 | STL | MDW | 22:00 | 22:41 |
Landed
|
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| Jul 12 | STL | MDW | 22:20 | 23:03 |
Landed
|
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| Jul 11 | STL | MDW | 20:48 | 21:29 |
Landed
|
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| Jul 10 | STL | MDW | 22:53 | 23:33 |
Landed Late
|
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 41 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 559 km/h / 347 mph.
How many WN3957 flights are operated per week?
7 flights per week. The flight WN3957 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
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 Monday, July 20th, 2026 with the flight status being Landed on 23:07.
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, 40% of all WN3957 flights are delayed. The average delay is 35 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: WN265, WN2453, WN4880, WN4912
Other flights arriving at Chicago MDW: WN1614, WN2469, WN370, WN1151
All flights connecting St. Louis STL to Chicago MDW.