CZ 6791 then KR 936 at Guangzhou
Haikou → Guangzhou → Phnom Penh
Timetable, Guangzhou time
18:05CZ 6791 from Haikou at the gate
13:30KR 936 to Phnom Penh leaves the gate
19 h 25 apart on the timetable, overnight
KR 936 leaves 19 h 25 after CZ 6791 arrives on the timetable: more than half a day, so not a connection we count.