TK 6951 then SM 304 at Istanbul
Kars → Istanbul → Cairo
Timetable, Istanbul time
17:45TK 6951 from Kars at the gate
12:15SM 304 to Cairo leaves the gate
18 h 30 apart on the timetable, overnight
SM 304 leaves 18 h 30 after TK 6951 arrives on the timetable: more than half a day, so not a connection we count.