3O 377 then QR 4706 at Barcelona
Tangier → Barcelona → Porto
Timetable, Barcelona time
22:053O 377 from Tangier at the gate
20:25QR 4706 to Porto leaves the gatealso LL 5096
22 h 20 apart on the timetable, overnight
QR 4706 leaves 22 h 20 after 3O 377 arrives on the timetable: more than half a day, so not a connection we count.