FR 3977 then IB 5482 at Barcelona
Dublin → Barcelona → Istanbul
Timetable, Barcelona time
22:55FR 3977 from Dublin at the gate
12:50IB 5482 to Istanbul leaves the gatealso LL 5482, VY 8610
13 h 55 apart on the timetable, overnight
IB 5482 leaves 13 h 55 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.