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

Doha ⇄ George Bush Intcntl/Houston DOH–IAH

Airlines flew 513 flights between Doha, Qatar DOH in Doha, QA and George Bush Intcntl/Houston IAH in Houston, TX in the twelve months to July 2026, both directions together: 146,501 passengers in 163,071 seats, 90% of them filled, and 4,924,633 pounds of freight. 8,045 miles, on 1 airline: Qatar Airways (Q.C.S.C) (513).

513
flights, twelve months
DOH-IAH: 257 · IAH-DOH: 256
146,501
passengers
90% of seats filled
8,045
miles
1
airline
3 aircraft types

Flights by month both directions

0163146621/254/257/2510/251/26526/26
By month, as a table
flights
1/2562
2/2556
3/2562
4/2560
5/2562
6/2560
7/2562
8/2562
9/2560
10/2562
11/2560
12/2562
1/2662
2/2655
5/2638
6/2652

Passengers by month

04,8229,64414,46619,2881/254/257/2510/251/2614,4226/26
By month, as a table
passengers
1/2518,297
2/2516,522
3/2518,304
4/2518,214
5/2518,401
6/2517,122
7/2518,944
8/2518,270
9/2515,093
10/2517,377
11/2518,129
12/2518,947
1/2619,288
2/2615,854
5/269,121
6/2614,422

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Qatar Airways (Q.C.S.C) QR513146,50190%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus 350-1000453324131,941
Boeing 777-200ER/200LR/233LR5827214,099
Boeing 777-300/300ER/333ER2354461

DOH → IAH this direction alone · flown January 2025 to June 2026

257 flights, 72,711 passengers in 81,699 seats, 1,893,255 pounds of freight. Qatar Airways (Q.C.S.C) 257.

IAH → DOH this direction alone · flown January 2025 to June 2026

256 flights, 73,790 passengers in 81,372 seats, 3,031,378 pounds of freight. Qatar Airways (Q.C.S.C) 256.

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: Doha, Qatar DOH and George Bush Intcntl/Houston IAH; all routes.