TG 652 then CZ 6074 at Incheon
Bangkok → Seoul → Yanji
Timetable, Seoul time
15:25TG 652 from Bangkok at the gate
14:35CZ 6074 to Yanji leaves the gate
23 h 10 apart on the timetable, overnight
CZ 6074 leaves 23 h 10 after TG 652 arrives on the timetable: more than half a day, so not a connection we count.