| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 01 | MDW | STL | 08:31 | 09:13 |
Landed
|
Track > |
| Dec 31 | MDW | STL | 09:13 | 09:56 |
Landed Late
|
Track > |
| Dec 25 | MDW | STL | 09:03 | 09:50 |
Landed
|
Track > |
| Dec 24 | MDW | STL | 08:39 | 09:29 |
Landed
|
Track > |
Southwest Airlines Flight WN31 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 WN31 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 45 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 536 km/h / 333 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN31 Chicago to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN31 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN31 arriving at?
Flight WN31 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN31 flight?
The latest flight took off on Thursday, January 1st, 2026 with the flight status being Landed on 09:13.
How else can the flight WN31 be referenced as?
This Southwest Airlines flight can also be referenced as SWA31, SWA031, WN031, WN0031, WN 31, SWA 31.
How often is flight WN31 delayed?
On average, 50% of all WN31 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled WN31 flight or baggage issues?
If your WN31 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 WN31 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN2304, WN3635, WN3719, WN467
Other flights arriving at St. Louis STL: WN3094, WN600, WN1323, WN2999
All flights connecting Chicago MDW to St. Louis STL.