V7 2164 then IB 5834 at Barcelona
Nantes → Barcelona → London Gatwick
Timetable, Barcelona time
20:10V7 2164 from Nantes at the gate
19:50IB 5834 to London Gatwick leaves the gatealso LL 5834, VY 7626, BA 8080
23 h 40 apart on the timetable, overnight
IB 5834 leaves 23 h 40 after V7 2164 arrives on the timetable: more than half a day, so not a connection we count.