FM 863 then AK 5876 at Kuala Lumpur
Shanghai → Kuala Lumpur → Sibu
Timetable, Kuala Lumpur time
06:40FM 863 from Shanghai at the gate
06:25AK 5876 to Sibu leaves the gate
23 h 45 apart on the timetable, overnight
AK 5876 leaves 23 h 45 after FM 863 arrives on the timetable: more than half a day, so not a connection we count.