BA 476 then FR 878 at Barcelona
London Heathrow → Barcelona → Venezia
Timetable, Barcelona time
11:35BA 476 from London Heathrow at the gate
08:30FR 878 to Venezia leaves the gate
20 h 55 apart on the timetable, overnight
FR 878 leaves 20 h 55 after BA 476 arrives on the timetable: more than half a day, so not a connection we count.