BA 8083 then FR 777 at Barcelona
London Heathrow → Barcelona → Venezia
Timetable, Barcelona time
13:10BA 8083 from London Heathrow at the gate
10:40FR 777 to Venezia leaves the gate
21 h 30 apart on the timetable, overnight
FR 777 leaves 21 h 30 after BA 8083 arrives on the timetable: more than half a day, so not a connection we count.