QR 3733 then 3O 374 at Barcelona
Mahón → Barcelona → Casablanca
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
09:053O 374 to Casablanca leaves the gate
13 h 40 apart on the timetable, overnight
3O 374 leaves 13 h 40 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.