MU 5231 then JU 989 at Guangzhou
Nanchang → Guangzhou → Belgrade
Timetable, Guangzhou time
22:55MU 5231 from Nanchang at the gate
22:45JU 989 to Belgrade leaves the gate
23 h 50 apart on the timetable, overnight
JU 989 leaves 23 h 50 after MU 5231 arrives on the timetable: more than half a day, so not a connection we count.