BA 484 then LA 5761 at Barcelona
London Heathrow → Barcelona → Genova
Timetable, Barcelona time
16:00BA 484 from London Heathrow at the gate
11:35LA 5761 to Genova leaves the gate
19 h 35 apart on the timetable, overnight
LA 5761 leaves 19 h 35 after BA 484 arrives on the timetable: more than half a day, so not a connection we count.