BA 482 then FR 777 at Barcelona
London Heathrow → Barcelona → Venezia
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gate
13:50FR 777 to Venezia leaves the gate
23 h 10 apart on the timetable, overnight
FR 777 leaves 23 h 10 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.