FR 6596 then IB 5410 at Barcelona
Manchester → Barcelona → London Gatwick
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
13:55IB 5410 to London Gatwick leaves the gatealso LL 5410, VY 7614
14 h 15 apart on the timetable, overnight
IB 5410 leaves 14 h 15 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.