| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 02 | MDW | STL | 12:34 | 13:22 |
Landed
|
Track > |
| Mar 01 | MDW | STL | 13:56 | 14:44 |
Landed
|
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| Feb 28 | MDW | STL | 14:14 | 15:00 |
Landed
|
Track > |
| Feb 27 | MDW | STL | 13:30 | 14:15 |
Landed
|
Track > |
| Feb 26 | MDW | STL | 13:29 | 14:16 |
Landed
|
Track > |
| Feb 23 | MDW | STL | 13:19 | 13:59 |
Landed
|
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| Feb 22 | MDW | STL | 13:38 | 14:23 |
Landed
|
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| Feb 21 | MDW | STL | 14:14 | 15:00 |
Landed
|
Track > |
| Feb 20 | MDW | STL | 13:41 | 14:28 |
Landed
|
Track > |
| Feb 19 | MDW | STL | 12:30 | 13:19 |
Landed
|
Track > |
Southwest Airlines Flight WN3997 connects Chicago, United States to St. Louis, United States, taking off from Chicago Midway International Airport MDW and landing at St. Louis Lambert International Airport STL.
How long is the WN3997 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 46 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 528 km/h / 328 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3997 Chicago to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3997 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3997 arriving at?
Flight WN3997 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3997 flight?
The latest flight took off on Monday, March 2nd, 2026 with the flight status being Landed on 13:22.
How else can the flight WN3997 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3997, WN 3997, SWA 3997.
How often is flight WN3997 delayed?
On average, 20% of all WN3997 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled WN3997 flight or baggage issues?
If your WN3997 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 WN3997 Flight Tracker above for more details.
Other flights departing from Chicago MDW: DL2061, WN2067, WN2731, WN2051
Other flights arriving at St. Louis STL: WN3143, WN314, AA797, AA3667
All flights connecting Chicago MDW to St. Louis STL.
