FR 6722 then FR 5997 at Madrid
Marrakesh → Madrid → London Stansted
Timetable, Madrid time
19:50FR 6722 from Marrakesh at the gate
17:40FR 5997 to London Stansted leaves the gate
21 h 50 apart on the timetable, overnight
FR 5997 leaves 21 h 50 after FR 6722 arrives on the timetable: more than half a day, so not a connection we count.