EC 3749 then LA 5810 at Barcelona
Milan → Barcelona → Bologna
Timetable, Barcelona time
21:30EC 3749 from Milan at the gate
11:50LA 5810 to Bologna leaves the gate
14 h 20 apart on the timetable, overnight
LA 5810 leaves 14 h 20 after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.