A3 971 then A3 734 at Athens
Tirana → Athens → Tunis
Timetable, Athens time
12:20A3 971 from Tirana at the gate
08:00A3 734 to Tunis leaves the gate
19 h 40 apart on the timetable, overnight
A3 734 leaves 19 h 40 after A3 971 arrives on the timetable: more than half a day, so not a connection we count.