CY 310 then GQ 420 at Athens
Larnaca → Athens → Zakynthos
Timetable, Athens time
10:20CY 310 from Larnaca at the gate
09:30GQ 420 to Zakynthos leaves the gate
23 h 10 apart on the timetable, overnight
GQ 420 leaves 23 h 10 after CY 310 arrives on the timetable: more than half a day, so not a connection we count.