CZ 6771 then CZ 8249 at Guangzhou
Haikou → Guangzhou → HQQ
Timetable, Guangzhou time
11:25CZ 6771 from Haikou at the gate
10:00CZ 8249 to HQQ leaves the gate
22 h 35 apart on the timetable, overnight
CZ 8249 leaves 22 h 35 after CZ 6771 arrives on the timetable: more than half a day, so not a connection we count.