CA 4517 then 3U 6006 at Pudong
Chengdu → Shanghai → Harbin
Timetable, Shanghai time
12:35CA 4517 from Chengdu at the gate
11:053U 6006 to Harbin leaves the gate
22 h 30 apart on the timetable, overnight
3U 6006 leaves 22 h 30 after CA 4517 arrives on the timetable: more than half a day, so not a connection we count.