MU 5458 then EU 6678 at Pudong
Guiyang → Shanghai → Chengdu
Timetable, Shanghai time
15:15MU 5458 from Guiyang at the gate
21:05EU 6678 to Chengdu leaves the gate
5 h 50 apart on the timetable
The last days
MU 5458 and EU 6678 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.