Flights San Antonio → Houston
SAT → HOU
How long is the flight from San Antonio to Houston?
The flight from San Antonio (SAT) to Houston (HOU) takes about 48 min. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route from San Antonio to Houston operates with a Boeing 737-500 aircraft and has an on-time performance rate of 78%, with average delays of ten minutes. Over the past year, this route has seen 282 flights, connecting passengers between two major cities in Texas, with Houston's airport handling nearly 14 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The San Antonio (SAT) → Houston (HOU) route is operated by Southwest Airlines. Across 760 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 13 minutes. The cancellation rate is 0.53%. FlightGuard's average computed risk is 25/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from San Antonio the average ATFM delay is 5.5 minutes.
Heading to Houston: what to expect in this direction
Flying from San Antonio (SAT) to Houston (HOU) heads east for about 309 km, a flight time of roughly 48m.
Departures from San Antonio on this leg cluster in the morning window: about 40% of SAT-HOU flights take off then.
Air-traffic congestion: departing San Antonio the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 760 tracked SAT-HOU flights, 75% left on time with an average delay of 13 min and a 0.5% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating SAT-HOU
Airports
Frequently asked questions about SAT-HOU
The flight from San Antonio (SAT) to Houston (HOU) takes about 48 min. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the San Antonio (SAT) -> Houston (HOU) route, on-time performance is 75% with an average delay of 13 minutes, based on 760 tracked flights.
The cancellation rate on San Antonio-Houston is 0.53% across 760 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
