LL 5423 then LA 5761 at Barcelona
London Heathrow → Barcelona → Genova
Timetable, Barcelona time
13:10LL 5423 from London Heathrow at the gate
11:35LA 5761 to Genova leaves the gate
22 h 25 apart on the timetable, overnight
LA 5761 leaves 22 h 25 after LL 5423 arrives on the timetable: more than half a day, so not a connection we count.