A3 253 then GQ 420 at Athens
Mytilene → Athens → Zakynthos
Timetable, Athens time
13:05A3 253 from Mytilene at the gate
09:30GQ 420 to Zakynthos leaves the gate
20 h 25 apart on the timetable, overnight
GQ 420 leaves 20 h 25 after A3 253 arrives on the timetable: more than half a day, so not a connection we count.