GQ 231 then TK 1848 at Athens
Mykonos → Athens → Istanbul
Timetable, Athens time
19:05GQ 231 from Mykonos at the gate
13:05TK 1848 to Istanbul leaves the gate
18 h apart on the timetable, overnight
TK 1848 leaves 18 h after GQ 231 arrives on the timetable: more than half a day, so not a connection we count.