Houston (HOU) to San Antonio (SAT)
Flight time
≈ 1h 11m
Bearing
268° W
Houston (HOU) to San Antonio (SAT) is 192 miles (309 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–SAT
Filed traffic dataIn June 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop HOU–SAT; the Boeing 737-700 was the most common aircraft at 49% of departures; flights ran 75% full.
Departures
192
June 2026
Seats
30,001
both directions
Passengers
22,460
both directions
Load factor
74.9%
RPM ÷ ASM
Who flies HOU–SAT?
Southwest Airlines operated the most nonstop HOU–SAT departures in June 2026 (191), one of 2 carriers on the route.
- WN
191 departures · 29,815 seats
Share of departures99.5%75.3%
Load
- SY
1 departures · 186 seats
Share of departures0.5%0.0%
Load
What plane flies HOU–SAT?
In June 2026, the Boeing 737-700 flew 49% of HOU–SAT departures — more than any other aircraft type.
- Boeing 737-700
95 departures · 77.7% load
49.5% - Boeing 737 MAX 8
54 departures · 71.8% load
28.1% - Boeing 737-800
43 departures · 73.8% load
22.4%
How has HOU–SAT traffic changed?
Nonstop HOU–SAT departures fell from 266 in July 2025 to 192 in June 2026.
Monthly nonstop HOU–SAT traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
266 departures · 27,765 passengers
65.3%
Load
August 2025
293 departures · 28,231 passengers
60.4%
Load
September 2025
285 departures · 29,190 passengers
64.0%
Load
October 2025
285 departures · 30,259 passengers
70.5%
Load
November 2025
246 departures · 20,813 passengers
55.8%
Load
December 2025
247 departures · 24,360 passengers
64.0%
Load
January 2026
199 departures · 18,858 passengers
63.1%
Load
February 2026
174 departures · 17,357 passengers
64.6%
Load
March 2026
206 departures · 21,092 passengers
68.9%
Load
April 2026
201 departures · 20,196 passengers
67.7%
Load
May 2026
208 departures · 22,910 passengers
73.4%
Load
June 2026
192 departures · 22,460 passengers
74.9%
Load
By direction
Each direction is filed separately — they rarely match.
SAT → HOU
69.5% full
99 departures · 11,067 passengers
HOU → SAT
80.9% full
93 departures · 11,393 passengers
Nonstop HOU–SAT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (HOU) from San Antonio (SAT)?
HOU to SAT is 192 miles (309 km / 167 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to SAT?
A nonstop covers the 192-mile great-circle distance in roughly 1h 11m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–SAT?
In June 2026, the Boeing 737-700 flew the largest share of departures (49.5%), followed by the Boeing 737 MAX 8 (28.1%).
What mileage do I earn flying HOU–SAT?
Distance-based programs credit off the 192-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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