FR 6596 then IB 5412 at Barcelona
Manchester → Barcelona → London Gatwick
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
14:30IB 5412 to London Gatwick leaves the gatealso LL 5412, VY 7616, BA 8070
14 h 50 apart on the timetable, overnight
IB 5412 leaves 14 h 50 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.