IB 5387 then FR 7808 at Barcelona
Bologna → Barcelona → London Luton
Timetable, Barcelona time
10:45IB 5387 from Bologna at the gatealso LL 5387
10:15FR 7808 to London Luton leaves the gate
23 h 30 apart on the timetable, overnight
FR 7808 leaves 23 h 30 after IB 5387 arrives on the timetable: more than half a day, so not a connection we count.