LH 1756 then A3 722 at Athens
Munich → Athens → Lisbon
Timetable, Athens time
01:30LH 1756 from Munich at the gate
13:45A3 722 to Lisbon leaves the gate
12 h 15 apart on the timetable
A3 722 leaves 12 h 15 after LH 1756 arrives on the timetable: more than half a day, so not a connection we count.