FR 3147 then FR 8215 at Barcelona
Oujda → Barcelona → London Stansted
Timetable, Barcelona time
20:10FR 3147 from Oujda at the gate
11:25FR 8215 to London Stansted leaves the gate
15 h 15 apart on the timetable, overnight
FR 8215 leaves 15 h 15 after FR 3147 arrives on the timetable: more than half a day, so not a connection we count.