CZ 3572 then JU 989 at Guangzhou
Shanghai Hongqiao → Guangzhou → Belgrade
Timetable, Guangzhou time
23:10CZ 3572 from Shanghai Hongqiao at the gate
22:45JU 989 to Belgrade leaves the gate
23 h 35 apart on the timetable, overnight
JU 989 leaves 23 h 35 after CZ 3572 arrives on the timetable: more than half a day, so not a connection we count.