SQ 826 then EU 6678 at Pudong
Singapore → Shanghai → Chengdu
Timetable, Shanghai time
06:30SQ 826 from Singapore at the gate
21:05EU 6678 to Chengdu leaves the gate
14 h 35 apart on the timetable
EU 6678 leaves 14 h 35 after SQ 826 arrives on the timetable: more than half a day, so not a connection we count.