CZ 8136 then CA 8506 at Guangzhou
Palu → Guangzhou → Shanghai Pudong
Timetable, Guangzhou time
07:20CZ 8136 from Palu at the gate
11:40CA 8506 to Shanghai Pudong leaves the gate
4 h 20 apart on the timetable
The last days
CZ 8136 and CA 8506 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.