FR 270 then IB 5482 at Barcelona
Milan → Barcelona → Istanbul
Timetable, Barcelona time
17:10FR 270 from Milan at the gate
12:50IB 5482 to Istanbul leaves the gatealso LL 5482, VY 8610
19 h 40 apart on the timetable, overnight
IB 5482 leaves 19 h 40 after FR 270 arrives on the timetable: more than half a day, so not a connection we count.