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

Doha ⇄ Seattle-Tacoma International DOH–SEA

Airlines flew 511 flights between Doha, Qatar DOH in Doha, QA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 160,613 passengers in 175,376 seats, 92% of them filled, and 3,532,826 pounds of freight. 7,412 miles, on 1 airline: Qatar Airways (Q.C.S.C) (511).

511
flights, twelve months
DOH-SEA: 256 · SEA-DOH: 255
160,613
passengers
92% of seats filled
7,412
miles
1
airline
3 aircraft types

Flights by month both directions

0163146621/254/257/2510/251/265/26506/26
By month, as a table
flights
1/2562
2/2556
3/2556
4/2560
5/2562
6/2560
7/2562
8/2562
9/2560
10/2562
11/2560
12/2562
1/2662
2/2655
4/2612
5/2626
6/2650

Passengers by month

05,25610,51215,76821,0241/254/257/2510/251/265/2613,9596/26
By month, as a table
passengers
1/2520,657
2/2520,657
3/2520,657
4/2518,939
5/2511,114
6/2518,026
7/2520,628
8/2521,024
9/2519,290
10/2519,417
11/2519,634
12/2520,463
1/2620,720
2/2617,404
4/262,258
5/266,444
6/2613,959

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Qatar Airways (Q.C.S.C) QR511160,61392%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 777-300/300ER/333ER439351142,346
Boeing 777-200ER/200LR/233LR362728,212
Airbus 350-10003632510,055

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

256 flights, 78,683 passengers in 87,865 seats, 2,864,784 pounds of freight. Qatar Airways (Q.C.S.C) 256.

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

255 flights, 81,930 passengers in 87,511 seats, 668,042 pounds of freight. Qatar Airways (Q.C.S.C) 255.

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 Seattle-Tacoma International SEA; all routes.