3U 8121 then MF 8382 at Guangzhou
Chongqing → Guangzhou → Hangzhou
Timetable, Guangzhou time
16:253U 8121 from Chongqing at the gate
16:15MF 8382 to Hangzhou leaves the gate
23 h 50 apart on the timetable, overnight
MF 8382 leaves 23 h 50 after 3U 8121 arrives on the timetable: more than half a day, so not a connection we count.