GQ 311 then FR 5824 at Athens
Samos → Athens → Venezia
Timetable, Athens time
19:00GQ 311 from Samos at the gate
16:50FR 5824 to Venezia leaves the gate
21 h 50 apart on the timetable, overnight
FR 5824 leaves 21 h 50 after GQ 311 arrives on the timetable: more than half a day, so not a connection we count.