FR 776 then IB 5412 at Barcelona
Venezia → Barcelona → London Gatwick
Timetable, Barcelona time
17:40FR 776 from Venezia at the gate
14:30IB 5412 to London Gatwick leaves the gatealso LL 5412, VY 7616, BA 8070
20 h 50 apart on the timetable, overnight
IB 5412 leaves 20 h 50 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.