CZ 3391 then CZ 3333 at Guangzhou
Zhengzhou → Guangzhou → Meixian
Timetable, Guangzhou time
12:30CZ 3391 from Zhengzhou at the gate
10:55CZ 3333 to Meixian leaves the gate
22 h 25 apart on the timetable, overnight
CZ 3333 leaves 22 h 25 after CZ 3391 arrives on the timetable: more than half a day, so not a connection we count.