IB 5397 then LL 5480 at Barcelona
London Gatwick → Barcelona → Nantes
Timetable, Barcelona time
12:10IB 5397 from London Gatwick at the gatealso LL 5397, VY 7601, BA 8057
10:45LL 5480 to Nantes leaves the gate
22 h 35 apart on the timetable, overnight
LL 5480 leaves 22 h 35 after IB 5397 arrives on the timetable: more than half a day, so not a connection we count.