The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

San Diego International ⇄ San Antonio International SAN–SAT

Airlines flew 1,224 flights between San Diego International SAN in San Diego, CA and San Antonio International SAT in San Antonio, TX in the twelve months to July 2026, both directions together: 142,461 passengers in 197,450 seats, 72% of them filled, and 62,857 pounds of freight. 1,129 miles, about 139 minutes in the air, on 5 airlines: Southwest Airlines Co. (1,214), American Airlines Inc. (5), Alaska Airlines Inc. (2), Delta Air Lines Inc. (2) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.

1,224
flights, twelve months
SAN-SAT: 617 · SAT-SAN: 607
142,461
passengers
72% of seats filled
1,129
miles
about 139 minutes airborne
5
airlines
9 aircraft types

Flights by month both directions

03162931241/254/257/2510/251/264/261227/26
By month, as a table
flights
1/2580
2/2579
3/25112
4/25105
5/25103
6/25119
7/25124
8/25114
9/25112
10/25114
11/25110
12/25119
1/2637
2/2638
3/26104
4/26112
5/26121
6/26121
7/26122

Passengers by month

04,1068,21212,31816,4241/254/257/2510/251/264/2615,7107/26
By month, as a table
passengers
1/258,458
2/257,925
3/2512,540
4/2510,733
5/2511,326
6/2513,325
7/2513,797
8/2512,041
9/2511,254
10/2514,302
11/2512,693
12/2513,556
1/264,116
2/264,461
3/2612,837
4/2611,152
5/2613,915
6/2616,424
7/2615,710

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN1,214141,22472%scheduled passenger service
American Airlines Inc. AA587491%scheduled passenger service
Alaska Airlines Inc. AS229382%scheduled passenger service
Delta Air Lines Inc. DL200%charter passenger service
Global Crossing Airlines, Inc. GCA17047%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 748514149,749
Boeing B737 Max 80041417551,298
Boeing 737-80031517540,177
Airbus Industrie A321Neoxlr3190506
Boeing 757-2002720
Airbus Industrie A321-200n2196368
Boeing B737 Max 9001178119
Boeing 737-900ER1178174
Airbus Industrie A320-100/200115070

SAN → SAT this direction alone · flown January 2025 to July 2026

617 flights of 615 scheduled, 72,257 passengers in 100,436 seats, 54,149 pounds of freight. Southwest Airlines Co. 608; American Airlines Inc. 5; Alaska Airlines Inc. 2; Delta Air Lines Inc. 2.

SAT → SAN this direction alone · flown January 2025 to July 2026

607 flights of 610 scheduled, 70,204 passengers in 97,014 seats, 8,708 pounds of freight. Southwest Airlines Co. 606; Global Crossing Airlines, Inc. 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: San Diego International SAN and San Antonio International SAT; all routes.