CZ 3108 then HU 7331 at Guangzhou
Beijing Daxing → Guangzhou → Shanghai Pudong
Timetable, Guangzhou time
13:35CZ 3108 from Beijing Daxing at the gate
12:10HU 7331 to Shanghai Pudong leaves the gate
22 h 35 apart on the timetable, overnight
HU 7331 leaves 22 h 35 after CZ 3108 arrives on the timetable: more than half a day, so not a connection we count.