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

San Antonio International ⇄ Ronald Reagan Washington Ntl SAT–DCA

Airlines flew 688 flights between San Antonio International SAT in San Antonio, TX and Ronald Reagan Washington Ntl DCA in Washington, DC in the twelve months to July 2026, both directions together: 77,929 passengers in 100,891 seats, 77% of them filled, and 389 pounds of freight. 1,380 miles, about 171 minutes in the air, on 3 airlines: American Airlines Inc. (684), United Air Lines Inc. (2), Southwest Airlines Co. (2). Planning to fly it yourself? The weather and winds along this route right now.

688
flights, twelve months
SAT-DCA: 342 · DCA-SAT: 346
77,929
passengers
77% of seats filled
1,380
miles
about 171 minutes airborne
3
airlines
5 aircraft types

Flights by month both directions

0163247633/256/259/2512/253/266/26567/26
By month, as a table
flights
3/2559
4/2562
5/2561
6/2560
7/2556
8/2561
9/2560
10/2562
11/2560
12/2545
1/2646
2/2656
3/2662
4/2660
5/2663
6/2657
7/2656

Passengers by month

02,1204,2396,3588,4783/256/259/2512/253/266/266,4887/26
By month, as a table
passengers
3/257,630
4/258,296
5/258,478
6/258,398
7/257,920
8/256,837
9/256,864
10/257,550
11/256,832
12/255,794
1/264,272
2/265,512
3/267,187
4/266,735
5/266,999
6/266,859
7/266,488

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
American Airlines Inc. AA68477,40277%scheduled passenger service
United Air Lines Inc. UA226490%scheduled passenger service
Southwest Airlines Co. WN226394%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A31939812843,803
Boeing 737-80027617232,244
Airbus Industrie A321Neoxlr101901,447
Boeing 737-700/700LR/Max 73135381
Boeing B737 Max 800117254

SAT → DCA this direction alone · flown March 2025 to July 2026

342 flights of 350 scheduled, 38,428 passengers in 50,206 seats, 103 pounds of freight. American Airlines Inc. 342.

DCA → SAT this direction alone · flown March 2025 to July 2026

346 flights of 348 scheduled, 39,501 passengers in 50,685 seats, 286 pounds of freight. American Airlines Inc. 342; United Air Lines Inc. 2; Southwest Airlines Co. 2.

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 Antonio International SAT and Ronald Reagan Washington Ntl DCA; all routes.