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

Boeing Fld/King County International ⇄ Brewster BFI–WA9

Airlines flew 4 flights between Boeing Fld/King County International BFI in Seattle, WA and Brewster WA9 in Brewster, WA in the twelve months to July 2026, both directions together: 11 passengers in 36 seats, 31% of them filled. 127 miles, about 45 minutes in the air, on 1 airline: Air Excursions LLC (4).

4
flights, twelve months
BFI-WA9: 2 · WA9-BFI: 2
11
passengers
31% of seats filled
127
miles
about 45 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

0123445/26
By month, as a table
flights
5/264

Passengers by month

036811115/26
By month, as a table
passengers
5/2611

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Air Excursions LLC X441131%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Pilatus PC-124911

BFI → WA9 this direction alone · flown May 2026 to May 2026

2 flights, 6 passengers in 18 seats. Air Excursions LLC 2.

WA9 → BFI this direction alone · flown May 2026 to May 2026

2 flights, 5 passengers in 18 seats. Air Excursions LLC 2.

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 Brewster WA9; all routes.