TU 744 then LH 326 at Frankfurt
Tunis → Frankfurt am Main → Venezia
Timetable, Frankfurt am Main time
17:25TU 744 from Tunis at the gate
11:35LH 326 to Venezia leaves the gate
18 h 10 apart on the timetable, overnight
LH 326 leaves 18 h 10 after TU 744 arrives on the timetable: more than half a day, so not a connection we count.