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

George Bush Intcntl/Houston ⇄ San Diego International IAH–SAN

Airlines flew 3,376 flights between George Bush Intcntl/Houston IAH in Houston, TX and San Diego International SAN in San Diego, CA in the twelve months to July 2026, both directions together: 478,378 passengers in 592,498 seats, 81% of them filled, and 214,239 pounds of freight. 1,303 miles, about 174 minutes in the air, on 3 airlines: United Air Lines Inc. (3,374), AVCON JET MALTA LTD (1), SkyWest Airlines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

3,376
flights, twelve months
IAH-SAN: 1,689 · SAN-IAH: 1,687
478,378
passengers
81% of seats filled
1,303
miles
about 174 minutes airborne
3
airlines
8 aircraft types

Flights by month both directions

0751502242991/254/257/2510/251/264/262857/26
By month, as a table
flights
1/25245
2/25244
3/25285
4/25281
5/25284
6/25278
7/25274
8/25279
9/25273
10/25293
11/25284
12/25290
1/26255
2/26253
3/26299
4/26283
5/26298
6/26284
7/26285

Passengers by month

010,68221,36432,04642,7281/254/257/2510/251/264/2642,5287/26
By month, as a table
passengers
1/2534,274
2/2531,962
3/2538,266
4/2536,499
5/2538,425
6/2540,446
7/2540,301
8/2538,568
9/2538,013
10/2540,899
11/2539,414
12/2541,485
1/2635,498
2/2637,282
3/2642,728
4/2641,174
5/2639,468
6/2641,321
7/2642,528

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA3,374478,37781%scheduled passenger service
AVCON JET MALTA LTD NIQ118%charter passenger service
SkyWest Airlines Inc. OO100%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 900904179132,994
Boeing 737-900ER828179119,651
Boeing 737-900752179111,321
Boeing 737-80062816678,943
Boeing B737 Max 80026116635,398
Embraer ERJ-1751760
Bombardier Global 7500 BD-75001121
Airbus Industrie A321-200n120070

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

1,689 flights of 1,697 scheduled, 242,631 passengers in 297,901 seats, 185,534 pounds of freight, 91,509 pounds of mail. United Air Lines Inc. 1,687; AVCON JET MALTA LTD 1; SkyWest Airlines Inc. 1.

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

1,687 flights of 1,696 scheduled, 235,747 passengers in 294,597 seats, 28,705 pounds of freight, 83,380 pounds of mail. United Air Lines Inc. 1,687.

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: George Bush Intcntl/Houston IAH and San Diego International SAN; all routes.