EU 6677 then MU 575 at Pudong
Chengdu → Shanghai → Tokyo Haneda
Timetable, Shanghai time
20:00EU 6677 from Chengdu at the gate
17:25MU 575 to Tokyo Haneda leaves the gate
21 h 25 apart on the timetable, overnight
MU 575 leaves 21 h 25 after EU 6677 arrives on the timetable: more than half a day, so not a connection we count.