AK 6437 then OD 1906 at Kuala Lumpur
Kota Baharu → Kuala Lumpur → Sibu
Timetable, Kuala Lumpur time
17:25AK 6437 from Kota Baharu at the gate
14:05OD 1906 to Sibu leaves the gate
20 h 40 apart on the timetable, overnight
OD 1906 leaves 20 h 40 after AK 6437 arrives on the timetable: more than half a day, so not a connection we count.