OZ 221 then CZ 6074 at Incheon
New York JFK → Seoul → Yanji
Timetable, Seoul time
16:15OZ 221 from New York JFK at the gate
14:35CZ 6074 to Yanji leaves the gate
22 h 20 apart on the timetable, overnight
CZ 6074 leaves 22 h 20 after OZ 221 arrives on the timetable: more than half a day, so not a connection we count.