Airports · San Antonio International Airport
Flights from San Antonio (SAT)
Airlines flew 44,829 departures out of San Antonio International Airport (SAT) carrying 5,216,635 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.
What flies from San Antonio
US DOT T-100 · filed dataWhat airlines actually flew out of San Antonio — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.
Departures
44,829
April 2026
Seats flown
6,969,118
Passengers
5,216,635
Load factor
74.9%
passengers ÷ seats
Busiest routes from San Antonio
Where flights from San Antonio go most, by departures over the trailing 12 months.
4,401 departures · 541,186 passengers
83.5%
Load
3,078 departures · 428,466 passengers
79.7%
Load
3,005 departures · 385,385 passengers
78.6%
Load
2,964 departures · 303,934 passengers
75.4%
Load
2,737 departures · 287,816 passengers
66.9%
Load
2,493 departures · 293,496 passengers
76.4%
Load
2,104 departures · 283,003 passengers
76.1%
Load
1,958 departures · 199,134 passengers
80.8%
Load
1,901 departures · 187,416 passengers
76.8%
Load
1,472 departures · 141,341 passengers
62.7%
Load
1,349 departures · 187,865 passengers
80.6%
Load
1,152 departures · 154,767 passengers
77.4%
Load
1,103 departures · 145,841 passengers
67.0%
Load
1,004 departures · 91,657 passengers
80.0%
Load
961 departures · 94,973 passengers
72.5%
Load
Airlines at San Antonio
Ranked by seats flown — the capacity each carrier actually operated out of San Antonio.
- WN
2,499,110 seats · 71.6% load
35.9%
Share
- AA
1,201,505 seats · 80.9% load
17.2%
Share
- DL
999,663 seats · 79.3% load
14.3%
Share
- UA
869,471 seats · 79.4% load
12.5%
Share
- NK
266,986 seats · 74.2% load
3.8%
Share
- VB
VivaAerobus
249,272 seats · 60.9% load
3.6%
Share
- Y4
Volaris
233,116 seats · 59.4% load
3.3%
Share
- F9
177,998 seats · 74.9% load
2.6%
Share
- OO
122,437 seats · 81.2% load
1.8%
Share
- AS
100,260 seats · 80.5% load
1.4%
Share
Aircraft flown from San Antonio
Aircraft types by share of departures — what actually operated, not what's based here.
7,923 departures · 71.0% load
17.7%
Share
7,275 departures · 75.1% load
16.2%
Share
5,748 departures · 72.3% load
12.8%
Share
5,260 departures · 76.5% load
11.7%
Share
4,584 departures · 79.1% load
10.2%
Share
3,961 departures · 75.7% load
8.8%
Share
2,709 departures · 81.8% load
6.0%
Share
1,660 departures · 69.5% load
3.7%
Share
1,525 departures · 81.5% load
3.4%
Share
1,253 departures · 77.8% load
2.8%
Share
951 departures · 77.8% load
2.1%
Share
888 departures · 73.0% load
2.0%
Share
Monthly departures from San Antonio
Monthly departures from San Antonio, trailing 12 months through April 2026. Bars scale to the busiest month.
May 2025
4,131 departures · 484,599 passengers
76.0%
Load
June 2025
4,112 departures · 499,450 passengers
77.7%
Load
July 2025
4,159 departures · 506,358 passengers
78.3%
Load
August 2025
3,811 departures · 421,033 passengers
70.9%
Load
September 2025
3,575 departures · 407,026 passengers
73.5%
Load
October 2025
3,983 departures · 475,123 passengers
77.5%
Load
November 2025
3,734 departures · 419,409 passengers
70.8%
Load
December 2025
3,905 departures · 470,996 passengers
76.1%
Load
January 2026
3,141 departures · 347,506 passengers
71.7%
Load
February 2026
2,906 departures · 337,136 passengers
75.2%
Load
March 2026
3,727 departures · 434,330 passengers
75.2%
Load
April 2026
3,645 departures · 413,669 passengers
74.0%
Load
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.