CZ 6777 then KR 936 at Guangzhou
Haikou → Guangzhou → Phnom Penh
Timetable, Guangzhou time
15:25CZ 6777 from Haikou at the gate
13:30KR 936 to Phnom Penh leaves the gate
22 h 05 apart on the timetable, overnight
KR 936 leaves 22 h 05 after CZ 6777 arrives on the timetable: more than half a day, so not a connection we count.