The observed direct connection between William P. Hobby Airport (HOU) and San Antonio International Airport (SAT) covers approximately 192 mi. The estimated flight time is around 55m. Air Transport, Delta Air Lines, Kalitta Charters, Southwest Airlines and Xabre Aerolíneas have been observed on this connection in the available route data.
Frequently asked questions about this route
How far is Houston from San Antonio by air?
The great-circle distance between William P. Hobby Airport and San Antonio International Airport is approximately 192 mi.
How long is the flight from Houston to San Antonio?
Based on the distance, the estimated flight time is about 55m. This is an estimate, not a schedule.
Is there a direct connection from Houston to San Antonio?
Yes, a direct connection between HOU and SAT has been observed in our route data.
Which airlines have been observed on this route?
In the available route data: Air Transport, Delta Air Lines, Kalitta Charters, Southwest Airlines and Xabre Aerolíneas.
How often is there a flight from Houston to San Antonio?
On average around 5.5 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 1,999 observed flights. Mainly Southwest Airlines, Kalitta Charters, Air Transport. That is an observation, not a timetable.
What is the current time difference between Houston and San Antonio?
Same local time in Houston and San Antonio.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.