| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 21 | SAT | HOU | 19:08 | 19:42 |
Landed
|
Track > |
| Sep 18 | SAT | HOU | 18:52 | 19:29 |
Landed
|
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| Sep 17 | SAT | HOU | 19:51 | 20:26 |
Landed Late
|
Track > |
| Sep 14 | SAT | HOU | 18:56 | 19:31 |
Landed
|
Track > |
| Sep 11 | SAT | HOU | 19:24 | 20:00 |
Landed
|
Track > |
| Sep 10 | SAT | HOU | 18:52 | 19:31 |
Landed
|
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| Sep 07 | SAT | HOU | 19:18 | 19:51 |
Landed
|
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| Sep 04 | SAT | HOU | 20:10 | 20:44 |
Landed Late
|
Track > |
| Sep 03 | SAT | HOU | 19:29 | 20:03 |
Landed
|
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| Aug 31 | SAT | HOU | 18:59 | 19:34 |
Landed
|
Track > |
Southwest Airlines Flight WN1921 connects San Antonio, United States to Houston, United States, taking off from San Antonio International Airport SAT and landing at Houston William P. Hobby Airport HOU.
How long is the WN1921 flight from San Antonio to Houston?
The average flight time from San Antonio to Houston is 35 minutes. The flight distance is 309 km / 192 miles and the average flight speed is 527 km/h / 328 mph.
How many WN1921 flights are operated per week?
3 flights per week. The flight WN1921 is operated on Monday, Thursday and Friday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1921 San Antonio to Houston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1921 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN1921 flight?
The latest flight took off on Tuesday, September 22nd, 2026 with the flight status being Landed on 19:42.
How else can the flight WN1921 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1921, WN 1921, SWA 1921.
How often is flight WN1921 delayed?
On average, 40% of all WN1921 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled WN1921 flight or baggage issues?
If your WN1921 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 WN1921 Flight Tracker above for more details.
Other flights departing from San Antonio SAT: WN4724, MQ4176, MQ3742, WN4485
Other flights arriving at Houston HOU: WN1788, WN117, WN1030, WN4104
All flights connecting San Antonio SAT to Houston HOU.