| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | MIA | STL | 18:46 | 20:34 |
Landed Late
|
Track > |
| Apr 03 | MIA | STL | 18:22 | 19:43 |
Landed
|
Track > |
| Apr 02 | MIA | STL | 18:14 | 19:40 |
Landed
|
Track > |
| Mar 30 | MIA | STL | 18:31 | 19:56 |
Landed Late
|
Track > |
| Mar 27 | MIA | STL | 19:32 | 21:00 |
Delayed
|
Track > |
| Mar 26 | MIA | STL | 18:26 | 19:48 |
Landed
|
Track > |
| Mar 23 | MIA | STL | 17:51 | 19:21 |
Landed
|
Track > |
| Mar 20 | MIA | STL | 17:55 | 19:28 |
Landed
|
Track > |
| Mar 19 | MIA | STL | 18:13 | 20:17 |
Landed Late
|
Track > |
| Mar 16 | MIA | STL | 17:35 | 19:40 |
Cancelled
|
Track > |
| Claim > | ||||||
Southwest Airlines Flight WN2421 connects Miami, United States to St. Louis, United States, taking off from Miami International Airport MIA and landing at St. Louis Lambert International Airport STL.
How long is the WN2421 flight from Miami to St. Louis?
The average flight time from Miami to St. Louis is 2 hours and 33 minutes. The flight distance is 1722 km / 1070 miles and the average flight speed is 668 km/h / 415 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN2421 Miami to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN2421 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN2421 arriving at?
Flight WN2421 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN2421 flight?
The latest flight took off on Tuesday, April 7th, 2026 with the flight status being Landed on 20:34.
How else can the flight WN2421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA2421, WN 2421, SWA 2421.
How often is flight WN2421 delayed?
On average, 60% of all WN2421 flights are delayed. The average delay is 33 minutes.
Can I get compensation for my delayed or cancelled WN2421 flight or baggage issues?
If your WN2421 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 WN2421 Flight Tracker above for more details.
Other flights departing from Miami MIA: AA1302, AA1840, AA2931, AA2123
Other flights arriving at St. Louis STL: WN2878, AA2937, AA2246, WN4514
All flights connecting Miami MIA to St. Louis STL.