3O 377 then QR 3660 at Barcelona
Tangier → Barcelona → Milan
Timetable, Barcelona time
16:453O 377 from Tangier at the gate
14:55QR 3660 to Milan leaves the gatealso IB 5358, LL 5358, VY 6046
22 h 10 apart on the timetable, overnight
QR 3660 leaves 22 h 10 after 3O 377 arrives on the timetable: more than half a day, so not a connection we count.