CZ 6781 then CZ 3333 at Guangzhou
Sanya → Guangzhou → Meixian
Timetable, Guangzhou time
09:40CZ 6781 from Sanya at the gate
06:30CZ 3333 to Meixian leaves the gate
20 h 50 apart on the timetable, overnight
CZ 3333 leaves 20 h 50 after CZ 6781 arrives on the timetable: more than half a day, so not a connection we count.