A3 243 then GQ 260 at Athens
Samos → Athens → Kefalonia
Timetable, Athens time
12:55A3 243 from Samos at the gate
11:00GQ 260 to Kefalonia leaves the gate
22 h 05 apart on the timetable, overnight
GQ 260 leaves 22 h 05 after A3 243 arrives on the timetable: more than half a day, so not a connection we count.