CA 866 then JL 777 at Beijing
Madrid → Beijing → Shanghai Pudong
Timetable, Beijing time
11:40CA 866 from Madrid at the gate
16:00JL 777 to Shanghai Pudong leaves the gate
4 h 20 apart on the timetable
The last days
CA 866 and JL 777 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.