A3 629 then SM 652 at Athens
Luxembourg → Athens → Cairo
Timetable, Athens time
21:55A3 629 from Luxembourg at the gate
18:00SM 652 to Cairo leaves the gate
20 h 05 apart on the timetable, overnight
SM 652 leaves 20 h 05 after A3 629 arrives on the timetable: more than half a day, so not a connection we count.