3O 377 then SN 3704 at Barcelona
Tangier → Barcelona → Brussels
Timetable, Barcelona time
18:553O 377 from Tangier at the gate
17:40SN 3704 to Brussels leaves the gate
22 h 45 apart on the timetable, overnight
SN 3704 leaves 22 h 45 after 3O 377 arrives on the timetable: more than half a day, so not a connection we count.