A3 251 then A3 734 at Athens
Mytilene → Athens → Tunis
Timetable, Athens time
08:55A3 251 from Mytilene at the gate
08:00A3 734 to Tunis leaves the gate
23 h 05 apart on the timetable, overnight
A3 734 leaves 23 h 05 after A3 251 arrives on the timetable: more than half a day, so not a connection we count.