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

Seattle-Tacoma International ⇄ Kansas City Downtown/Wheeler Field SEA–MKC

Airlines flew 3 flights between Seattle-Tacoma International SEA in Seattle, WA and Kansas City Downtown/Wheeler Field MKC in Kansas City, MO in the twelve months to July 2026, both directions together: 102 passengers in 444 seats, 23% of them filled. 1,501 miles, about 170 minutes in the air, on 2 airlines: Sun Country Airlines d/b/a MN Airlines (2), Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

3
flights, twelve months
SEA-MKC: 2 · MKC-SEA: 1
102
passengers
23% of seats filled
1,501
miles
about 170 minutes airborne
2
airlines
2 aircraft types

Flights by month both directions

0012215/251215/26
By month, as a table
flights
5/251
6/251
8/252
5/261

Passengers by month

026517610205/256810205/26
By month, as a table
passengers
5/250
6/2568
8/25102
5/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Sun Country Airlines d/b/a MN Airlines SY210227%charter passenger service
Delta Air Lines Inc. DL100%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8002186102
Boeing 757-2001720

SEA → MKC this direction alone · flown May 2025 to May 2026

2 flights, 51 passengers in 258 seats. Delta Air Lines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.

MKC → SEA this direction alone · flown June 2025 to August 2025

1 flights, 51 passengers in 186 seats. 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: Seattle-Tacoma International SEA and Kansas City Downtown/Wheeler Field MKC; all routes.