ZH 9868 then MU 153 at Guangzhou
Nanjing → Guangzhou → Shanghai Hongqiao
Timetable, Guangzhou time
10:30ZH 9868 from Nanjing at the gate
15:30MU 153 to Shanghai Hongqiao leaves the gate
5 h apart on the timetable
The last days
ZH 9868 and MU 153 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.