FR 574 then IB 5150 at Barcelona
Bologna → Barcelona → Seville
Timetable, Barcelona time
21:10FR 574 from Bologna at the gate
15:45IB 5150 to Seville leaves the gate
18 h 35 apart on the timetable, overnight
IB 5150 leaves 18 h 35 after FR 574 arrives on the timetable: more than half a day, so not a connection we count.