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

Ketchikan International ⇄ Seattle-Tacoma International KTN–SEA

Airlines flew 3,100 flights between Ketchikan International KTN in Ketchikan, AK and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 266,166 passengers in 366,467 seats, 73% of them filled, and 4,109,496 pounds of freight. 680 miles, about 92 minutes in the air, on 1 airline: Alaska Airlines Inc. (3,100). Planning to fly it yourself? The weather and winds along this route right now.

3,100
flights, twelve months
KTN-SEA: 1,533 · SEA-KTN: 1,567
266,166
passengers
73% of seats filled
680
miles
about 92 minutes airborne
1
airline
6 aircraft types

Flights by month both directions

0901792683581/254/257/2510/251/264/263587/26
By month, as a table
flights
1/25211
2/25206
3/25230
4/25226
5/25265
6/25323
7/25354
8/25336
9/25277
10/25239
11/25214
12/25218
1/26202
2/26201
3/26230
4/26228
5/26270
6/26327
7/26358

Passengers by month

010,00120,00230,00240,0031/254/257/2510/251/264/2639,7057/26
By month, as a table
passengers
1/2513,405
2/2512,176
3/2516,878
4/2516,994
5/2521,602
6/2531,089
7/2540,003
8/2539,438
9/2523,806
10/2517,584
11/2515,760
12/2516,962
1/2613,517
2/2612,464
3/2617,258
4/2617,549
5/2621,483
6/2630,640
7/2639,705

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS3,100266,16673%charter passenger service, scheduled cargo service, scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 71,693110139,264
Boeing 737-8007768846,082
Boeing 737-900ER31917840,578
Boeing B737 Max 90026817835,054
Boeing B737 Max 800421604,858
Boeing 737-9002178330

KTN → SEA this direction alone · flown January 2025 to July 2026

1,533 flights of 1,357 scheduled, 130,109 passengers in 184,403 seats, 2,543,862 pounds of freight, 140,087 pounds of mail. Alaska Airlines Inc. 1,533.

SEA → KTN this direction alone · flown January 2025 to July 2026

1,567 flights of 1,387 scheduled, 136,057 passengers in 182,064 seats, 1,565,634 pounds of freight, 6,266,789 pounds of mail. Alaska Airlines Inc. 1,567.

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: Ketchikan International KTN and Seattle-Tacoma International SEA; all routes.