FR 2251 then LA 5751 at Barcelona
Marrakesh → Barcelona → Brussels
Timetable, Barcelona time
15:25FR 2251 from Marrakesh at the gate
14:35LA 5751 to Brussels leaves the gate
23 h 10 apart on the timetable, overnight
LA 5751 leaves 23 h 10 after FR 2251 arrives on the timetable: more than half a day, so not a connection we count.