TK 6902 then TK 710 at Istanbul
Barcelona → Istanbul → Islamabad
Timetable, Istanbul time
06:25TK 6902 from Barcelona at the gate
21:25TK 710 to Islamabad leaves the gate
15 h apart on the timetable
TK 710 leaves 15 h after TK 6902 arrives on the timetable: more than half a day, so not a connection we count.