TK 6902 then TK 684 at Istanbul
Barcelona → Istanbul → Cairo
Timetable, Istanbul time
06:25TK 6902 from Barcelona at the gate
22:25TK 684 to Cairo leaves the gate
16 h apart on the timetable
TK 684 leaves 16 h after TK 6902 arrives on the timetable: more than half a day, so not a connection we count.