HO 1048 then EU 6678 at Pudong
Xi'an → Shanghai → Chengdu
Timetable, Shanghai time
18:50HO 1048 from Xi'an at the gate
21:05EU 6678 to Chengdu leaves the gate
2 h 15 apart on the timetable
The last days
HO 1048 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.