IB 5131 then TK 1854 at Barcelona
Alicante → Barcelona → Istanbul
Timetable, Barcelona time
14:50IB 5131 from Alicante at the gate
12:20TK 1854 to Istanbul leaves the gate
21 h 30 apart on the timetable, overnight
TK 1854 leaves 21 h 30 after IB 5131 arrives on the timetable: more than half a day, so not a connection we count.