IB 5507 then TK 1852 at Barcelona
Seville → Barcelona → Istanbul
Timetable, Barcelona time
11:50IB 5507 from Seville at the gate
06:30TK 1852 to Istanbul leaves the gate
18 h 40 apart on the timetable, overnight
TK 1852 leaves 18 h 40 after IB 5507 arrives on the timetable: more than half a day, so not a connection we count.