ZE 821 then 9C 7003 at Pudong
Cheongju → Shanghai → Lanzhou
Timetable, Shanghai time
01:20ZE 821 from Cheongju at the gate
08:309C 7003 to Lanzhou leaves the gate
7 h 10 apart on the timetable
The last days
ZE 821 and 9C 7003 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.