EC 3749 then IB 5850 at Barcelona
Milan → Barcelona → Birmingham (UK)
Timetable, Barcelona time
21:30EC 3749 from Milan at the gate
10:45IB 5850 to Birmingham (UK) leaves the gatealso LL 5850, VY 7750, BA 8100
13 h 15 apart on the timetable, overnight
IB 5850 leaves 13 h 15 after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.