| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 05 | STL | SAT | 08:19 | 10:20 |
Landed
|
Track > |
| Apr 04 | STL | SAT | 21:40 | 23:40 |
Landed
|
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| Apr 01 | STL | SAT | 08:45 | 10:36 |
Landed
|
Track > |
| Mar 31 | STL | SAT | 08:41 | 10:40 |
Landed
|
Track > |
| Mar 29 | STL | SAT | 08:40 | 10:37 |
Landed
|
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| Mar 28 | STL | SAT | 21:38 | 23:27 |
Landed
|
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| Mar 25 | STL | SAT | 08:36 | 10:18 |
Landed
|
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| Mar 24 | STL | SAT | 08:47 | 10:31 |
Landed
|
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| Mar 22 | STL | SAT | 11:21 | 13:20 |
Delayed
|
Track > |
| Mar 21 | STL | SAT | 21:40 | 23:27 |
Landed
|
Track > |
Southwest Airlines Flight WN4140 connects St. Louis, United States to San Antonio, United States, taking off from St. Louis Lambert International Airport STL and landing at San Antonio International Airport SAT.
How long is the WN4140 flight from St. Louis to San Antonio?
The average flight time from St. Louis to San Antonio is 1 hour and 52 minutes. The flight distance is 1266 km / 787 miles and the average flight speed is 675 km/h / 420 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4140 St. Louis to San Antonio?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4140 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4140 arriving at?
Flight WN4140 arrives at San Antonio International Airport (SAT) Terminal A.
When was the latest WN4140 flight?
The latest flight took off on Sunday, April 5th, 2026 with the flight status being Landed on 10:20.
How else can the flight WN4140 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4140, WN 4140, SWA 4140.
How often is flight WN4140 delayed?
On average, 10% of all WN4140 flights are delayed. The average delay is 150 minutes.
Can I get compensation for my delayed or cancelled WN4140 flight or baggage issues?
If your WN4140 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 WN4140 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN477, WN2241, WN4313, WN4589
Other flights arriving at San Antonio SAT: WN2675, AA415, AA6400, WN1851
All flights connecting St. Louis STL to San Antonio SAT.