CZ 6777 then CZ 3263 at Guangzhou
Haikou → Guangzhou → Dazhou
Timetable, Guangzhou time
15:25CZ 6777 from Haikou at the gate
10:25CZ 3263 to Dazhou leaves the gate
19 h apart on the timetable, overnight
CZ 3263 leaves 19 h after CZ 6777 arrives on the timetable: more than half a day, so not a connection we count.