KE 81 then CI 5301 at JFK
Seoul → New York → Toronto
Timetable, New York time
10:00KE 81 from Seoul at the gate
09:05CI 5301 to Toronto leaves the gate
23 h 05 apart on the timetable, overnight
CI 5301 leaves 23 h 05 after KE 81 arrives on the timetable: more than half a day, so not a connection we count.