CA 843 then OS 317 at Vienna
Beijing → Vienna → Amsterdam
Timetable, Vienna time
16:20CA 843 from Beijing at the gate
17:20OS 317 to Amsterdam leaves the gate
1 h apart on the timetable
The last days
CA 843 and OS 317 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.