A3 735 then LH 1281 at Athens
Tunis → Athens → Frankfurt am Main
Timetable, Athens time
18:45A3 735 from Tunis at the gate
14:30LH 1281 to Frankfurt am Main leaves the gate
19 h 45 apart on the timetable, overnight
LH 1281 leaves 19 h 45 after A3 735 arrives on the timetable: more than half a day, so not a connection we count.