CA 1512 then CA 1347 at Beijing
Nanchang → Beijing → Shantou
Timetable, Beijing time
18:15CA 1512 from Nanchang at the gate
17:05CA 1347 to Shantou leaves the gate
22 h 50 apart on the timetable, overnight
CA 1347 leaves 22 h 50 after CA 1512 arrives on the timetable: more than half a day, so not a connection we count.