IB 5353 then LA 5752 at Barcelona
Milan → Barcelona → Birmingham (UK)
Timetable, Barcelona time
11:55IB 5353 from Milan at the gate
11:25LA 5752 to Birmingham (UK) leaves the gatealso IB 5850, LL 5850
23 h 30 apart on the timetable, overnight
LA 5752 leaves 23 h 30 after IB 5353 arrives on the timetable: more than half a day, so not a connection we count.