GQ 231 then A3 246 at Athens
Mykonos → Athens → Samos
Timetable, Athens time
19:05GQ 231 from Mykonos at the gate
15:10A3 246 to Samos leaves the gate
20 h 05 apart on the timetable, overnight
A3 246 leaves 20 h 05 after GQ 231 arrives on the timetable: more than half a day, so not a connection we count.