| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 30 | STL | MDW | 14:24 | 15:09 |
Landed
|
Track > |
| Oct 27 | STL | MDW | 14:31 | 15:13 |
Landed
|
Track > |
| Oct 24 | STL | MDW | 14:26 | 15:07 |
Landed
|
Track > |
| Oct 23 | STL | MDW | 14:16 | 15:02 |
Landed
|
Track > |
| Oct 20 | STL | MDW | 14:05 | 15:15 |
Scheduled
|
Track > |
| Oct 17 | STL | MDW | 14:17 | 15:03 |
Landed
|
Track > |
| Oct 16 | STL | MDW | 14:24 | 15:07 |
Landed
|
Track > |
| Oct 13 | STL | MDW | 14:22 | 15:08 |
Landed
|
Track > |
| Oct 10 | STL | MDW | 14:55 | 15:38 |
Landed Late
|
Track > |
| Oct 09 | STL | MDW | 14:20 | 15:02 |
Landed
|
Track > |
Southwest Airlines Flight WN3866 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 WN3866 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 534 km/h / 332 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3866 St. Louis to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3866 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3866 flight?
The latest flight took off on Thursday, October 30th, 2025 with the flight status being Landed on 15:09.
How else can the flight WN3866 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3866, WN 3866, SWA 3866.
How often is flight WN3866 delayed?
On average, 10% of all WN3866 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled WN3866 flight or baggage issues?
If your WN3866 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 WN3866 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN4580, WN4571, WN2408, WN2180
Other flights arriving at Chicago MDW: WN3540, WN1252, WN2932, WN1921
All flights connecting St. Louis STL to Chicago MDW.
