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

Ontario International ⇄ Louisville Muhammad Ali International ONT–SDF

Airlines flew 3,255 flights between Ontario International ONT in Ontario, CA and Louisville Muhammad Ali International SDF in Louisville, KY in the twelve months to July 2026, both directions together: 0 passengers in 8 seats, 0% of them filled, and 205,351,093 pounds of freight. 1,796 miles, about 204 minutes in the air, on 3 airlines: United Parcel Service (3,133), Kalitta Air LLC (121), Atlas Air Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

3,255
flights, twelve months
ONT-SDF: 1,858 · SDF-ONT: 1,397
0
passengers
no seats reported (cargo)
1,796
miles
about 204 minutes airborne
3
airlines
7 aircraft types

Flights by month both directions

0991982963951/254/257/2510/251/264/262357/26
By month, as a table
flights
1/25279
2/25250
3/25261
4/25265
5/25276
6/25273
7/25299
8/25306
9/25272
10/25274
11/25268
12/25395
1/26259
2/26253
3/26273
4/26244
5/26231
6/26245
7/26235

Passengers by month

000111/254/257/2510/251/264/2607/26
By month, as a table
passengers
1/250
2/250
3/250
4/250
5/250
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 5X3,1330scheduled cargo service
Kalitta Air LLC KAQ1210charter cargo service
Atlas Air Inc. 5Y100%charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER1,96400
Boeing 747-40035100
Boeing B747-834600
McDonnell Douglas MD-1123300
Airbus Industrie A300-600/R/CF/RCF18000
Boeing B777-F10500
Boeing 757-2007600

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

1,858 flights of 1,796 scheduled, 0 passengers in 8 seats, 104,579,357 pounds of freight, 48,386,002 pounds of mail. United Parcel Service 1,796; Kalitta Air LLC 61; Atlas Air Inc. 1.

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

1,397 flights of 1,337 scheduled, 0 passengers, 100,771,736 pounds of freight, 21,799,584 pounds of mail. United Parcel Service 1,337; Kalitta Air LLC 60.

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: Ontario International ONT and Louisville Muhammad Ali International SDF; all routes.