| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | MDW | STL | 22:27 | 23:10 |
Landed
|
Track > |
| Apr 03 | MDW | STL | 22:51 | 23:30 |
Unknown
|
Track > |
| Apr 02 | MDW | STL | 01:11 | 23:30 |
Unknown
|
Track > |
| Mar 30 | MDW | STL | 22:20 | 23:06 |
Landed
|
Track > |
| Mar 27 | MDW | STL | 22:31 | 23:12 |
Landed
|
Track > |
| Mar 26 | MDW | STL | 23:00 | 00:07 |
Delayed
|
Track > |
| Mar 23 | MDW | STL | 22:19 | 23:06 |
Landed
|
Track > |
| Mar 20 | MDW | STL | 22:05 | 22:46 |
Landed
|
Track > |
| Mar 19 | MDW | STL | 22:12 | 22:56 |
Landed
|
Track > |
| Mar 16 | MDW | STL | 23:55 | 00:43 |
Delayed
|
Track > |
Southwest Airlines Flight WN4009 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 WN4009 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 47 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 485 km/h / 302 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4009 Chicago to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4009 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4009 arriving at?
Flight WN4009 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN4009 flight?
The latest flight took off on Tuesday, April 7th, 2026 with the flight status being Landed on 23:10.
How else can the flight WN4009 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4009, WN 4009, SWA 4009.
How often is flight WN4009 delayed?
On average, 30% of all WN4009 flights are delayed. The average delay is 50 minutes.
Can I get compensation for my delayed or cancelled WN4009 flight or baggage issues?
If your WN4009 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 WN4009 Flight Tracker above for more details.
Other flights departing from Chicago MDW: WN3869, WN3998, WN3976, DL2060
Other flights arriving at St. Louis STL: WN1450, AA1581, WN3951, WN2816
All flights connecting Chicago MDW to St. Louis STL.