| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 03 | MDW | STL | 12:17 | 12:58 |
Landed
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| Dec 27 | MDW | STL | 12:28 | 13:15 |
Landed
|
Track > |
| Dec 20 | MDW | STL | 12:41 | 13:26 |
Landed
|
Track > |
| Nov 29 | MDW | STL | 12:15 | 13:25 |
Cancelled
|
Track > |
| Claim > | ||||||
| Nov 22 | MDW | STL | 12:26 | 13:08 |
Landed
|
Track > |
Southwest Airlines Flight WN4127 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 WN4127 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 43 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 514 km/h / 319 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4127 Chicago to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4127 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4127 arriving at?
Flight WN4127 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN4127 flight?
The latest flight took off on Saturday, January 3rd, 2026 with the flight status being Landed on 12:58.
How else can the flight WN4127 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4127, WN 4127, SWA 4127.
How often is flight WN4127 delayed?
On average, 20% of all WN4127 flights are delayed. The average delay is 1 minute.
Can I get compensation for my delayed or cancelled WN4127 flight or baggage issues?
If your WN4127 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 WN4127 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN4198, WN2400, WN3808, WN2120
Other flights arriving at St. Louis STL: WN3456, WN2675, WN366, WN1890
All flights connecting Chicago MDW to St. Louis STL.