CA 825 then GA 9999 at Changi
Shanghai → Singapore → Jakarta
Timetable, Singapore time
16:15CA 825 from Shanghai at the gate
17:30GA 9999 to Jakarta leaves the gate
1 h 15 apart on the timetable
The last days
CA 825 and GA 9999 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.