9C 6726 then CZ 3203 at Guangzhou
Ningbo → Guangzhou → Xi'an
Timetable, Guangzhou time
22:159C 6726 from Ningbo at the gate
17:10CZ 3203 to Xi'an leaves the gate
18 h 55 apart on the timetable, overnight
CZ 3203 leaves 18 h 55 after 9C 6726 arrives on the timetable: more than half a day, so not a connection we count.