EU 6677 then MU 539 at Pudong
Chengdu → Shanghai → Tokyo Haneda
Timetable, Shanghai time
20:00EU 6677 from Chengdu at the gate
14:55MU 539 to Tokyo Haneda leaves the gate
18 h 55 apart on the timetable, overnight
MU 539 leaves 18 h 55 after EU 6677 arrives on the timetable: more than half a day, so not a connection we count.