Routes and flights · the DOT's airline reports, August 2025 to July 2026

Philadelphia International ⇄ Boeing Fld/King County International PHL–BFI

Airlines flew 3 flights between Philadelphia International PHL in Philadelphia, PA and Boeing Fld/King County International BFI in Seattle, WA in the twelve months to July 2026, both directions together: 83 passengers in 258 seats, 32% of them filled, and 16,408 pounds of freight. 2,378 miles, about 347 minutes in the air, on 3 airlines: United Parcel Service (1), Delta Air Lines Inc. (1), Sun Country Airlines d/b/a MN Airlines (1). Planning to fly it yourself? The weather and winds along this route right now.

flights, twelve months

PHL-BFI: 3

passengers

32% of seats filled

2,378

miles

about 347 minutes airborne

airlines

3 aircraft types

Flights by month both directions

By month, as a table

	flights
12/25	2
7/26	1

Passengers by month

By month, as a table

	passengers
12/25	43
7/26	40

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
United Parcel Service 5X	1	0		scheduled cargo service
Delta Air Lines Inc. DL	1	43	60%	charter passenger service
Sun Country Airlines d/b/a MN Airlines SY	1	40	22%	charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Boeing 737-800	1	186	40
Boeing 757-200	1	72	43
Boeing 767-300/300ER	1	0	0

PHL → BFI this direction alone · flown December 2025 to July 2026

3 flights of 1 scheduled, 83 passengers in 258 seats, 16,408 pounds of freight, 30,599 pounds of mail. United Parcel Service 1; Delta Air Lines Inc. 1; 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: Philadelphia International PHL and Boeing Fld/King County International BFI; all routes.