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

Chicago/Rockford International ⇄ Seoul RFD–ICN

Airlines flew 4 flights between Chicago/Rockford International RFD in Chicago/Rockford, IL and Seoul, South Korea ICN in Seoul, KR in the twelve months to July 2026, both directions together: 0 passengers, and 45,440 pounds of freight. 6,511 miles, about 855 minutes in the air, on 2 airlines: Atlas Air Inc. (3), National Air Cargo Group Inc d/ba National Airlines (1).

4
flights, twelve months
RFD-ICN: 4
0
passengers
no seats reported (cargo)
6,511
miles
about 855 minutes airborne
2
airlines
2 aircraft types

Flights by month both directions

01223112/2537/26
By month, as a table
flights
12/251
7/263

Passengers by month

00011012/2507/26
By month, as a table
passengers
12/250
7/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Atlas Air Inc. 5Y30charter cargo service
National Air Cargo Group Inc d/ba National Airlines N810charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 777-200ER/200LR/233LR300
Boeing 747-400100

RFD → ICN this direction alone · flown December 2025 to July 2026

4 flights, 0 passengers, 45,440 pounds of freight. Atlas Air Inc. 3; National Air Cargo Group Inc d/ba National 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: Chicago/Rockford International RFD and Seoul, South Korea ICN; all routes.