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

Kalispell ⇄ Seattle-Tacoma International FCA–SEA

Airlines flew 2,098 flights between Kalispell FCA in Kalispell, MT and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 132,811 passengers in 159,612 seats, 83% of them filled, and 106,929 pounds of freight. 379 miles, about 68 minutes in the air, on 4 airlines: Horizon Air (2,017), SkyWest Airlines Inc. (79), Delta Air Lines Inc. (1), Sun Country Airlines d/b/a MN Airlines (1).

2,098
flights, twelve months
FCA-SEA: 1,048 · SEA-FCA: 1,050
132,811
passengers
83% of seats filled
379
miles
about 68 minutes airborne
4
airlines
3 aircraft types

Flights by month both directions

0621241862481/254/257/2510/251/264/26987/26
By month, as a table
flights
1/25174
2/25158
3/25176
4/25172
5/25182
6/25179
7/25181
8/25248
9/25241
10/25176
11/25132
12/25150
1/26173
2/26168
3/26178
4/26172
5/26182
6/26180
7/2698

Passengers by month

04,1638,32612,48916,6521/254/257/2510/251/264/266,2897/26
By month, as a table
passengers
1/2511,137
2/2510,571
3/2511,265
4/2510,023
5/2511,511
6/2512,284
7/2512,754
8/2516,652
9/2515,722
10/2511,333
11/258,478
12/259,448
1/2610,122
2/2611,009
3/2611,571
4/269,578
5/2611,218
6/2611,391
7/266,289

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Horizon Air QX2,017127,71783%scheduled passenger service
SkyWest Airlines Inc. OO794,98483%scheduled passenger service
Delta Air Lines Inc. DL111085%scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY100%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1752,09676132,701
Boeing 737-80011860
A220-300 BD-500-1A111130110

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

1,048 flights of 1,062 scheduled, 67,402 passengers in 79,648 seats, 14,639 pounds of freight. Horizon Air 1,018; SkyWest Airlines Inc. 30.

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

1,050 flights of 1,067 scheduled, 65,409 passengers in 79,964 seats, 92,290 pounds of freight. Horizon Air 999; SkyWest Airlines Inc. 49; Delta Air Lines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.

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: Kalispell FCA and Seattle-Tacoma International SEA; all routes.