KL 1955 then SM 652 at Athens
Amsterdam → Athens → Cairo
Timetable, Athens time
16:35KL 1955 from Amsterdam at the gate
11:55SM 652 to Cairo leaves the gate
19 h 20 apart on the timetable, overnight
SM 652 leaves 19 h 20 after KL 1955 arrives on the timetable: more than half a day, so not a connection we count.