A3 961 then A3 670 at Athens
Bucharest → Athens → Venezia
Timetable, Athens time
11:50A3 961 from Bucharest at the gate
10:30A3 670 to Venezia leaves the gate
22 h 40 apart on the timetable, overnight
A3 670 leaves 22 h 40 after A3 961 arrives on the timetable: more than half a day, so not a connection we count.