3O 641 then QR 4706 at Barcelona
Tangier → Barcelona → Porto
Timetable, Barcelona time
22:203O 641 from Tangier at the gate
20:25QR 4706 to Porto leaves the gatealso LL 5096
22 h 05 apart on the timetable, overnight
QR 4706 leaves 22 h 05 after 3O 641 arrives on the timetable: more than half a day, so not a connection we count.