FR 2097 then BA 475 at Barcelona
Bologna → Barcelona → London Heathrow
Timetable, Barcelona time
19:25FR 2097 from Bologna at the gate
11:40BA 475 to London Heathrow leaves the gate
16 h 15 apart on the timetable, overnight
BA 475 leaves 16 h 15 after FR 2097 arrives on the timetable: more than half a day, so not a connection we count.