Boeing Fld/King County International ⇄ Kansas City International BFI–MCI
Airlines flew 5 flights between Boeing Fld/King County International BFI in Seattle, WA and Kansas City International MCI in Kansas City, MO in the twelve months to July 2026, both directions together: 235 passengers in 785 seats, 30% of them filled. 1,490 miles, about 184 minutes in the air, on 3 airlines: Sun Country Airlines d/b/a MN Airlines (3), Delta Air Lines Inc. (1), Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 3/25 | 1 |
| 9/25 | 1 |
| 3/26 | 1 |
| 5/26 | 3 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 3/25 | 67 |
| 9/25 | 70 |
| 3/26 | 43 |
| 5/26 | 122 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Sun Country Airlines d/b/a MN Airlines SY | 3 | 122 | 22% | charter passenger service |
| Delta Air Lines Inc. DL | 1 | 70 | 97% | charter passenger service |
| Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines WL | 1 | 43 | 28% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 3 | 186 | 122 |
| Boeing 757-200 | 1 | 72 | 70 |
| McDonnell Douglas DC9 Super 80/MD81/82/83/88 | 1 | 155 | 43 |
BFI → MCI this direction alone · flown September 2025 to May 2026
2 flights, 111 passengers in 258 seats. Delta Air Lines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.
MCI → BFI this direction alone · flown March 2025 to May 2026
3 flights, 124 passengers in 527 seats. Sun Country Airlines d/b/a MN Airlines 2; Caribbean Sun Airlines, Inc. d/b/a World Atlantic 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: Boeing Fld/King County International BFI and Kansas City International MCI; all routes.