3O 641 then QR 3663 at Barcelona
Tangier → Barcelona → Milan
Timetable, Barcelona time
22:203O 641 from Tangier at the gate
20:05QR 3663 to Milan leaves the gatealso IB 5366, LL 5366, VY 6054
21 h 45 apart on the timetable, overnight
QR 3663 leaves 21 h 45 after 3O 641 arrives on the timetable: more than half a day, so not a connection we count.