MU 5237 then 3U 8206 at Guangzhou
Ningbo → Guangzhou → Kunming
Timetable, Guangzhou time
11:10MU 5237 from Ningbo at the gate
10:253U 8206 to Kunming leaves the gate
23 h 15 apart on the timetable, overnight
3U 8206 leaves 23 h 15 after MU 5237 arrives on the timetable: more than half a day, so not a connection we count.