CZ 6783 then KR 936 at Guangzhou
Haikou → Guangzhou → Phnom Penh
Timetable, Guangzhou time
19:30CZ 6783 from Haikou at the gate
13:30KR 936 to Phnom Penh leaves the gate
18 h apart on the timetable, overnight
KR 936 leaves 18 h after CZ 6783 arrives on the timetable: more than half a day, so not a connection we count.