EU 6677 then CA 8347 at Pudong
Chengdu → Shanghai → Guangzhou
Timetable, Shanghai time
20:00EU 6677 from Chengdu at the gate
15:40CA 8347 to Guangzhou leaves the gate
19 h 40 apart on the timetable, overnight
CA 8347 leaves 19 h 40 after EU 6677 arrives on the timetable: more than half a day, so not a connection we count.