AK 5873 then AK 5210 at Kuala Lumpur
Sibu → Kuala Lumpur → Kuching
Timetable, Kuala Lumpur time
14:00AK 5873 from Sibu at the gate
13:50AK 5210 to Kuching leaves the gate
23 h 50 apart on the timetable, overnight
AK 5210 leaves 23 h 50 after AK 5873 arrives on the timetable: more than half a day, so not a connection we count.