FR 6596 then BA 8066 at Barcelona
Manchester → Barcelona → London Gatwick
Timetable, Barcelona time
23:40FR 6596 from Manchester at the gate
13:25BA 8066 to London Gatwick leaves the gate
13 h 45 apart on the timetable, overnight
BA 8066 leaves 13 h 45 after FR 6596 arrives on the timetable: more than half a day, so not a connection we count.