GQ 303 then A3 994 at Athens
Mytilene → Athens → Istanbul
Timetable, Athens time
18:35GQ 303 from Mytilene at the gate
18:30A3 994 to Istanbul leaves the gate
23 h 55 apart on the timetable, overnight
A3 994 leaves 23 h 55 after GQ 303 arrives on the timetable: more than half a day, so not a connection we count.