QR 3784 then BA 8060 at Barcelona
Marrakesh → Barcelona → London Gatwick
Timetable, Barcelona time
22:45QR 3784 from Marrakesh at the gatealso VY 8511
11:00BA 8060 to London Gatwick leaves the gate
12 h 15 apart on the timetable, overnight
BA 8060 leaves 12 h 15 after QR 3784 arrives on the timetable: more than half a day, so not a connection we count.