| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 27 | MDW | STL | 20:44 | 21:29 |
Landed
|
Track > |
| Sep 20 | MDW | STL | 21:59 | 22:44 |
Delayed
|
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| Sep 13 | MDW | STL | 20:33 | 21:15 |
Landed
|
Track > |
| Sep 06 | MDW | STL | 21:13 | 21:56 |
Landed
|
Track > |
| Aug 30 | MDW | STL | 20:44 | 21:26 |
Landed
|
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| Aug 23 | MDW | STL | 20:49 | 21:28 |
Landed
|
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| Aug 16 | MDW | STL | 21:24 | 22:35 |
Delayed
|
Track > |
| Aug 09 | MDW | STL | 21:50 | 22:33 |
Delayed
|
Track > |
Southwest Airlines Flight WN3720 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 WN3720 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 540 km/h / 336 mph.
How many WN3720 flights are operated per week?
1 flight per week. The flight WN3720 is operated on Monday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3720 Chicago to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3720 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3720 arriving at?
Flight WN3720 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3720 flight?
The latest flight took off on Monday, September 28th, 2026 with the flight status being Landed on 21:29.
How else can the flight WN3720 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3720, WN 3720, SWA 3720.
How often is flight WN3720 delayed?
On average, 50% of all WN3720 flights are delayed. The average delay is 45 minutes.
Can I get compensation for my delayed or cancelled WN3720 flight or baggage issues?
If your WN3720 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 WN3720 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN859, WN3355, WN3881, WN4289
Other flights arriving at St. Louis STL: WN4653, YX4599, AA890, WN3393
All flights connecting Chicago MDW to St. Louis STL.