| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 31 | SAT | STL | 13:30 | 15:16 |
Landed
|
Track > |
| Oct 30 | SAT | STL | 17:13 | 18:55 |
Landed
|
Track > |
| Oct 29 | SAT | STL | 06:17 | 08:07 |
Landed
|
Track > |
| Oct 28 | SAT | STL | 06:07 | 08:06 |
Landed
|
Track > |
| Oct 27 | SAT | STL | 17:18 | 19:05 |
Landed
|
Track > |
| Oct 26 | SAT | STL | 19:28 | 21:14 |
Delayed
|
Track > |
| Oct 24 | SAT | STL | 17:39 | 19:35 |
Landed Late
|
Track > |
| Oct 23 | SAT | STL | 17:18 | 19:00 |
Landed
|
Track > |
| Oct 22 | SAT | STL | 06:15 | 08:01 |
Landed
|
Track > |
| Oct 21 | SAT | STL | 06:09 | 07:55 |
Landed
|
Track > |
Southwest Airlines Flight WN4421 connects San Antonio, United States to St. Louis, United States, taking off from San Antonio International Airport SAT and landing at St. Louis Lambert International Airport STL.
How long is the WN4421 flight from San Antonio to St. Louis?
The average flight time from San Antonio to St. Louis is 1 hour and 48 minutes. The flight distance is 1266 km / 787 miles and the average flight speed is 705 km/h / 438 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4421 San Antonio to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4421 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4421 arriving at?
Flight WN4421 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN4421 flight?
The latest flight took off on Friday, October 31st, 2025 with the flight status being Landed on 15:16.
How else can the flight WN4421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4421, WN 4421, SWA 4421.
How often is flight WN4421 delayed?
On average, 20% of all WN4421 flights are delayed. The average delay is 74 minutes.
Can I get compensation for my delayed or cancelled WN4421 flight or baggage issues?
If your WN4421 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 WN4421 Flight Tracker above for more details.
Other flights departing from San Antonio SAT: WN1430, WN1709, AA6203, WN1348
Other flights arriving at St. Louis STL: WN1959, WN484, WN868, WN493
All flights connecting San Antonio SAT to St. Louis STL.
