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

General Edward Lawrence Logan International ⇄ Seoul BOS–ICN

Airlines flew 720 flights between General Edward Lawrence Logan International BOS in Boston, MA and Seoul, South Korea ICN in Seoul, KR in the twelve months to July 2026, both directions together: 170,311 passengers in 202,775 seats, 84% of them filled, and 13,985,351 pounds of freight. 6,829 miles, on 1 airline: Korean Air Lines Co. Ltd. (720).

720
flights, twelve months
BOS-ICN: 357 · ICN-BOS: 363
170,311
passengers
84% of seats filled
6,829
miles
1
airline
1 aircraft type

Flights by month both directions

0163146621/254/257/2510/251/264/26627/26
By month, as a table
flights
1/2562
2/2556
3/2562
4/2560
5/2562
6/2560
7/2562
8/2560
9/2560
10/2562
11/2560
12/2559
1/2658
2/2654
3/2662
4/2660
5/2662
6/2661
7/2662

Passengers by month

03,9867,97211,95815,9441/254/257/2510/251/264/2614,5787/26
By month, as a table
passengers
1/2514,284
2/2512,272
3/2513,904
4/2513,441
5/2515,394
6/2513,973
7/2514,207
8/2514,476
9/2512,924
10/2513,942
11/2513,896
12/2513,268
1/2613,837
2/2612,355
3/2615,944
4/2614,900
5/2615,558
6/2614,633
7/2614,578

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Korean Air Lines Co. Ltd. KE720170,31184%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 777-300/300ER/333ER720282170,311

BOS → ICN this direction alone · flown January 2025 to July 2026

357 flights, 84,057 passengers in 100,695 seats, 2,377,193 pounds of freight. Korean Air Lines Co. Ltd. 357.

ICN → BOS this direction alone · flown January 2025 to July 2026

363 flights, 86,254 passengers in 102,080 seats, 11,608,158 pounds of freight. Korean Air Lines Co. Ltd. 363.

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: General Edward Lawrence Logan International BOS and Seoul, South Korea ICN; all routes.