Boeing Fld/King County International ⇄ Southwest Washington Regional BFI–KLS
Airlines flew 2 flights between Boeing Fld/King County International BFI in Seattle, WA and Southwest Washington Regional KLS in Kelso, WA in the twelve months to July 2026, both directions together: 6 passengers in 12 seats, 50% of them filled. 102 miles, about 30 minutes in the air, on 1 airline: Kenmore Air Harbor (2). 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 | |
|---|---|
| 12/25 | 2 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 12/25 | 6 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Kenmore Air Harbor M5 | 2 | 6 | 50% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Pilatus PC-12 | 2 | 6 | 6 |
BFI → KLS this direction alone · flown December 2025 to December 2025
1 flights, 6 passengers in 6 seats. Kenmore Air Harbor 1.
KLS → BFI this direction alone · flown December 2025 to December 2025
1 flights, 0 passengers in 6 seats. Kenmore Air Harbor 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 Southwest Washington Regional KLS; all routes.