OD 821 then OD 1906 at Kuala Lumpur
Seoul → Kuala Lumpur → Sibu
Timetable, Kuala Lumpur time
14:30OD 821 from Seoul at the gate
14:25OD 1906 to Sibu leaves the gate
23 h 55 apart on the timetable, overnight
OD 1906 leaves 23 h 55 after OD 821 arrives on the timetable: more than half a day, so not a connection we count.