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 ⇄ General Edward Lawrence Logan International BFI–BOS

Airlines flew 1 flights between Boeing Fld/King County International BFI in Seattle, WA and General Edward Lawrence Logan International BOS in Boston, MA in the twelve months to July 2026, both directions together: 65 passengers in 72 seats, 90% of them filled. 2,494 miles, about 375 minutes in the air, on 1 airline: Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

1
flights, twelve months
BOS-BFI: 1
65
passengers
90% of seats filled
2,494
miles
about 375 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

0001116/2516/26
By month, as a table
flights
6/251
6/261

Passengers by month

016324965636/25656/26
By month, as a table
passengers
6/2563
6/2665

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Delta Air Lines Inc. DL16590%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 757-20017265

BOS → BFI this direction alone · flown June 2025 to June 2026

1 flights, 65 passengers in 72 seats. Delta Air Lines Inc. 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 General Edward Lawrence Logan International BOS; all routes.