CZ 6731 then CZ 3333 at Guangzhou
Sanya → Guangzhou → Meixian
Timetable, Guangzhou time
08:25CZ 6731 from Sanya at the gate
06:30CZ 3333 to Meixian leaves the gate
22 h 05 apart on the timetable, overnight
CZ 3333 leaves 22 h 05 after CZ 6731 arrives on the timetable: more than half a day, so not a connection we count.