MU 6303 then 9C 8544 at Guangzhou
Beijing Daxing → Guangzhou → Shanghai Hongqiao
Timetable, Guangzhou time
12:20MU 6303 from Beijing Daxing at the gate
12:159C 8544 to Shanghai Hongqiao leaves the gate
23 h 55 apart on the timetable, overnight
9C 8544 leaves 23 h 55 after MU 6303 arrives on the timetable: more than half a day, so not a connection we count.