IB 5465 then IB 5406 at Barcelona
Lyon → Barcelona → London Gatwick
Timetable, Barcelona time
17:40IB 5465 from Lyon at the gate
12:30IB 5406 to London Gatwick leaves the gatealso LL 5406, VY 7610
18 h 50 apart on the timetable, overnight
IB 5406 leaves 18 h 50 after IB 5465 arrives on the timetable: more than half a day, so not a connection we count.