A3 377 then GQ 830 at Athens
Mykonos → Athens → Milan
Timetable, Athens time
16:00A3 377 from Mykonos at the gate
14:15GQ 830 to Milan leaves the gate
22 h 15 apart on the timetable, overnight
GQ 830 leaves 22 h 15 after A3 377 arrives on the timetable: more than half a day, so not a connection we count.