| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 01 | STL | MDW | 08:43 | 08:53 |
Unknown
|
Track > |
| Aug 01 | STL | MDW | 05:00 | 09:19 |
Delayed >3h
|
Track > |
Southwest Airlines Flight WN3121 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.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3121 St. Louis to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3121 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3121 flight?
The latest flight took off on Saturday, August 1st, 2026 with the flight status being Unknown on 08:53.
How else can the flight WN3121 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3121, WN 3121, SWA 3121.
How often is flight WN3121 delayed?
On average, 0% of all WN3121 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled WN3121 flight or baggage issues?
If your WN3121 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 WN3121 Flight Tracker above for more details.
Other flights departing from St. Louis STL: G74183, WN1440, WN4043, WN234
Other flights arriving at Chicago MDW: WN1866, WN2654, WN3048, WN3669
All flights connecting St. Louis STL to Chicago MDW.