QR 3666 then IB 5408 at Barcelona
Salerno → Barcelona → London Gatwick
Timetable, Barcelona time
00:30QR 3666 from Salerno at the gatealso LL 5953, VY 8359
13:25IB 5408 to London Gatwick leaves the gatealso LL 5408, VY 7612, BA 8066
12 h 55 apart on the timetable
IB 5408 leaves 12 h 55 after QR 3666 arrives on the timetable: more than half a day, so not a connection we count.