8L 9985 then 9C 8801 at Pudong
Kunming → Shanghai → Sanya
Timetable, Shanghai time
11:208L 9985 from Kunming at the gate
18:059C 8801 to Sanya leaves the gate
6 h 45 apart on the timetable
The last days
8L 9985 and 9C 8801 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.