FR 866 then IB 5418 at Barcelona
Venezia → Barcelona → London Gatwick
Timetable, Barcelona time
22:15FR 866 from Venezia at the gate
18:00IB 5418 to London Gatwick leaves the gatealso LL 5418, VY 7622
19 h 45 apart on the timetable, overnight
IB 5418 leaves 19 h 45 after FR 866 arrives on the timetable: more than half a day, so not a connection we count.