Airport gate intelligence · SAT
How many gates does San Antonio Airport (SAT) have?
San Antonio Airport (SAT) has 28 gates, with about 119 airline departures a day. Southwest has the most (7), followed by American (5).
Southwest flies 39% of the 17,908 seats leaving SAT each day. Southwest has 40% more gates and 83% more seats than American. 2 gates are common use, shared by several airlines.
Gates, seats and flights by airline at SAT
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Southwest | 7 | 42 | 6,907 | 39% | 163 | 0% | 47 min | 33 |
| American | 5 | 27 | 3,777 | 21% | 142 | 16% | 50 min | 0 |
| United | 5 | 20 | 2,777 | 16% | 137 | 16% | 73 min | 14 |
| Delta | 5 | 18 | 2,767 | 15% | 151 | 0% | 68 min | 7 |
| Frontier | – | 3 | 643 | 4% | 214 | 0% | 59 min | 0 |
| Volaris | – | 3 | 452 | 3% | 194 | 0% | 82 min | 0 |
| Viva Aerobus | – | 2 | 310 | 2% | 186 | 0% | 68 min | 0 |
| Common use (shared) | 2 | |||||||
Average of 3 full days, Oct 3 to Oct 5, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 4 gates have too few flights yet. Seats are capacity, from each airline’s seat map per aircraft type; 1% of flights have no seat count yet.
On-time departures by airline at SAT
81% of departures left the gate on time (less than 15 minutes after their scheduled time). Airlines with 10+ departures a day.
| Airline | Departures a day | On time | 15+ min late |
|---|---|---|---|
| United | 20 | 90% | 10% |
| Delta | 18 | 89% | 11% |
| American | 27 | 78% | 22% |
| Southwest | 42 | 74% | 26% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 3 full days.
What size aircraft SAT’s gates handle
Gates by the largest aircraft seen there at least twice. A gate that takes a wide-body also takes anything smaller.
Airlines at SAT: terminals, gates and nonstop routes
Other airlines
Seen on only one of the full days collected (charters and occasional flights): Air Canada (3 flights to Toronto); Sun Country (1 flight).
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SAT gate questions
How many gates does San Antonio Airport (SAT) have?
San Antonio Airport (SAT) has 28 gates, with about 119 airline departures a day. Southwest has the most (7), followed by American (5).
Which airline has the most gates at San Antonio Airport (SAT)?
Southwest, with 7 of the 28 gates at SAT (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave San Antonio Airport (SAT)?
About 119 airline departures a day (Oct 3 to Oct 5, 2026).
Which terminal is Southwest in at SAT?
Southwest flies from Terminal A’s Concourse A at San Antonio Airport (SAT).
How many gates does Southwest have at SAT?
7 gates, with about 42 departures and 6,907 seats a day.
How many gates does American have at SAT?
5 gates, with about 27 departures and 3,777 seats a day.
How many gates does United have at SAT?
5 gates, with about 20 departures and 2,777 seats a day.
How many seats leave SAT each day?
About 17,908 seats on 119 airline departures a day (average of 3 full days, Oct 3 to Oct 5, 2026).
What is the typical turn time at SAT?
62 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves SAT on time most often?
United Airlines: 90% of its departures left the gate less than 15 minutes after their scheduled time, against 81% for all airlines at SAT (3 full days, Oct 3 to Oct 5, 2026).
How many aircraft tows happen at SAT?
About 54 tows a week: a plane that arrives at one gate and leaves from another was towed between them. Planes we didn't see arrive aren't counted.