GQ 441 then GQ 222 at Athens
Kithira → Athens → Kos
Timetable, Athens time
15:55GQ 441 from Kithira at the gate
16:35GQ 222 to Kos leaves the gate
40 min apart on the timetable
The last days
GQ 441 and GQ 222 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.