KE 476 then M0 602 at Incheon
Ho Chi Minh City → Seoul → Ulaanbaatar
Timetable, Seoul time
07:05KE 476 from Ho Chi Minh City at the gate
20:30M0 602 to Ulaanbaatar leaves the gate
13 h 25 apart on the timetable
M0 602 leaves 13 h 25 after KE 476 arrives on the timetable: more than half a day, so not a connection we count.