FR 6596 then IB 5408 at Barcelona
Manchester → Barcelona → London Gatwick
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
13:25IB 5408 to London Gatwick leaves the gatealso LL 5408, VY 7612
13 h 45 apart on the timetable, overnight
IB 5408 leaves 13 h 45 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.