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

Louisville Muhammad Ali International ⇄ Boeing Fld/King County International SDF–BFI

Airlines flew 1,544 flights between Louisville Muhammad Ali International SDF in Louisville, KY and Boeing Fld/King County International BFI in Seattle, WA in the twelve months to July 2026, both directions together: 0 passengers, and 74,247,361 pounds of freight. 1,945 miles, about 261 minutes in the air, on 1 airline: United Parcel Service (1,544). Planning to fly it yourself? The weather and winds along this route right now.

1,544
flights, twelve months
SDF-BFI: 697 · BFI-SDF: 847
0
passengers
no seats reported (cargo)
1,945
miles
about 261 minutes airborne
1
airline
4 aircraft types

Flights by month both directions

047941411881/254/257/2510/251/264/261267/26
By month, as a table
flights
1/25114
2/25105
3/25116
4/25115
5/25121
6/25113
7/25123
8/25129
9/25120
10/25135
11/25121
12/25188
1/26120
2/26115
3/26125
4/26124
5/26125
6/26116
7/26126

Passengers by month

0204061811/254/257/2510/251/264/2607/26
By month, as a table
passengers
1/250
2/250
3/250
4/250
5/2581
6/250
7/250
8/250
9/250
10/250
11/250
12/250
1/260
2/260
3/260
4/260
5/260
6/260
7/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Parcel Service 5X1,5440scheduled cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER1,35200
Boeing 757-2008500
McDonnell Douglas MD-115500
Airbus Industrie A300-600/R/CF/RCF5200

SDF → BFI this direction alone · flown January 2025 to July 2026

697 flights of 697 scheduled, 0 passengers, 38,250,294 pounds of freight, 17,363,057 pounds of mail. United Parcel Service 697.

BFI → SDF this direction alone · flown January 2025 to July 2026

847 flights of 847 scheduled, 0 passengers, 35,997,067 pounds of freight, 18,543,543 pounds of mail. United Parcel Service 847.

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: Louisville Muhammad Ali International SDF and Boeing Fld/King County International BFI; all routes.