QR 3615 then QR 3702 at Barcelona
Catania → Barcelona → Marrakesh
Timetable, Barcelona time
22:35QR 3615 from Catania at the gatealso IB 5803, LL 5803, VY 6119
17:55QR 3702 to Marrakesh leaves the gatealso IB 5962, LL 5962
19 h 20 apart on the timetable, overnight
QR 3702 leaves 19 h 20 after QR 3615 arrives on the timetable: more than half a day, so not a connection we count.