EC 7681 then TK 1468 at Barcelona
Lisbon → Barcelona → Istanbul
Timetable, Barcelona time
21:20EC 7681 from Lisbon at the gate
14:35TK 1468 to Istanbul leaves the gate
17 h 15 apart on the timetable, overnight
TK 1468 leaves 17 h 15 after EC 7681 arrives on the timetable: more than half a day, so not a connection we count.