A3 671 then GQ 344 at Athens
Venezia → Athens → Santorini
Timetable, Athens time
18:20A3 671 from Venezia at the gate
17:15GQ 344 to Santorini leaves the gate
22 h 55 apart on the timetable, overnight
GQ 344 leaves 22 h 55 after A3 671 arrives on the timetable: more than half a day, so not a connection we count.