FR 5825 then A3 608 at Athens
Venezia → Athens → London Heathrow
Timetable, Athens time
23:20FR 5825 from Venezia at the gate
19:10A3 608 to London Heathrow leaves the gate
19 h 50 apart on the timetable, overnight
A3 608 leaves 19 h 50 after FR 5825 arrives on the timetable: more than half a day, so not a connection we count.