BJ 730 then U2 4553 at Charles de Gaulle
Tunis → Paris → Venezia
Timetable, Paris time
17:20BJ 730 from Tunis at the gate
15:55U2 4553 to Venezia leaves the gate
22 h 35 apart on the timetable, overnight
U2 4553 leaves 22 h 35 after BJ 730 arrives on the timetable: more than half a day, so not a connection we count.