A3 993 then SM 652 at Athens
Istanbul → Athens → Cairo
Timetable, Athens time
17:15A3 993 from Istanbul at the gate
11:55SM 652 to Cairo leaves the gate
18 h 40 apart on the timetable, overnight
SM 652 leaves 18 h 40 after A3 993 arrives on the timetable: more than half a day, so not a connection we count.