| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 03 | STL | MDW | 13:10 | 13:54 |
Landed
|
Track > |
Southwest Airlines Flight WN421 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 WN421 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 44 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 551 km/h / 342 mph.
How many WN421 flights are operated per week?
1 flight per week. The flight WN421 is operated on Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN421 St. Louis to Chicago?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN421 flight?
The latest flight took off on Saturday, October 3rd, 2026 with the flight status being Landed on 13:54.
How else can the flight WN421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA421, WN0421, WN 421, SWA 421.
How often is flight WN421 delayed?
On average, 0% of all WN421 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled WN421 flight or baggage issues?
If your WN421 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 WN421 Flight Tracker above for more details.
Other flights departing from St. Louis STL: MQ4074, SY8161, G74454, WN766
Other flights arriving at Chicago MDW: Y47702, WN187, WN1426, WN2984
All flights connecting St. Louis STL to Chicago MDW.