| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | STL | SAT | 08:26 | 10:06 |
Landed
|
Track > |
| Jul 17 | STL | SAT | 08:22 | 10:06 |
Landed
|
Track > |
| Jul 16 | STL | SAT | 08:19 | 10:06 |
Landed
|
Track > |
| Jul 13 | STL | SAT | 08:43 | 10:31 |
Landed Late
|
Track > |
| Jul 10 | STL | SAT | 08:20 | 10:22 |
Landed
|
Track > |
| Jul 09 | STL | SAT | 08:19 | 09:58 |
Landed
|
Track > |
| Jul 06 | STL | SAT | 08:13 | 09:56 |
Landed
|
Track > |
| Jul 03 | STL | SAT | 08:29 | 10:15 |
Landed
|
Track > |
| Jul 02 | STL | SAT | 08:12 | 09:58 |
Landed
|
Track > |
| Jun 29 | STL | SAT | 11:17 | 10:15 |
Unknown
|
Track > |
Southwest Airlines Flight WN3978 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 WN3978 flight from St. Louis to San Antonio?
The average flight time from St. Louis to San Antonio is 1 hour and 46 minutes. The flight distance is 1266 km / 787 miles and the average flight speed is 707 km/h / 439 mph.
How many WN3978 flights are operated per week?
3 flights per week. The flight WN3978 is operated on Monday, Thursday and Friday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3978 St. Louis to San Antonio?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3978 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3978 arriving at?
Flight WN3978 arrives at San Antonio International Airport (SAT) Terminal A.
When was the latest WN3978 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being Landed on 10:06.
How else can the flight WN3978 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3978, WN 3978, SWA 3978.
How often is flight WN3978 delayed?
On average, 20% of all WN3978 flights are delayed. The average delay is 11 minutes.
Can I get compensation for my delayed or cancelled WN3978 flight or baggage issues?
If your WN3978 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 WN3978 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN23, WN3884, WN4318, WN5060
Other flights arriving at San Antonio SAT: WN663, AA413, Y4750, WN1432
All flights connecting St. Louis STL to San Antonio SAT.