| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 30 | STL | MDW | 12:52 | 13:36 |
Landed Late
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Track > |
| Jul 29 | STL | MDW | 11:52 | 12:37 |
Landed
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| Jul 23 | STL | MDW | 12:00 | 12:48 |
Landed
|
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| Jul 22 | STL | MDW | 11:55 | 12:37 |
Landed
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| Jul 16 | STL | MDW | 12:24 | 13:06 |
Landed Late
|
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| Jul 15 | STL | MDW | 11:53 | 12:37 |
Landed
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| Jul 09 | STL | MDW | 12:04 | 12:46 |
Landed
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| Jul 08 | STL | MDW | 11:53 | 12:36 |
Landed
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| Jul 02 | STL | MDW | 11:55 | 12:39 |
Landed
|
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| Jul 01 | STL | MDW | 11:51 | 12:33 |
Landed
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Track > |
Southwest Airlines Flight WN3900 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 WN3900 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 557 km/h / 346 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3900 St. Louis to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3900 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3900 flight?
The latest flight took off on Wednesday, July 30th, 2025 with the flight status being Landed on 13:36.
How else can the flight WN3900 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3900, WN 3900, SWA 3900.
How often is flight WN3900 delayed?
On average, 20% of all WN3900 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled WN3900 flight or baggage issues?
If your WN3900 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 WN3900 Flight Tracker above for more details.
Other flights departing from St. Louis STL: UA3635, WN785, WN1339, WN1328
Other flights arriving at Chicago MDW: WN3869, WN458, WN3835, WN3782
All flights connecting St. Louis STL to Chicago MDW.
