9C 6726 then CZ 3293 at Guangzhou
Ningbo → Guangzhou → Nanchong
Timetable, Guangzhou time
22:159C 6726 from Ningbo at the gate
17:50CZ 3293 to Nanchong leaves the gate
19 h 35 apart on the timetable, overnight
CZ 3293 leaves 19 h 35 after 9C 6726 arrives on the timetable: more than half a day, so not a connection we count.