BA 669 then BA 1490 at Heathrow
Marrakesh → London → Glasgow
Timetable, London time
20:20BA 669 from Marrakesh at the gate
18:10BA 1490 to Glasgow leaves the gate
21 h 50 apart on the timetable, overnight
BA 1490 leaves 21 h 50 after BA 669 arrives on the timetable: more than half a day, so not a connection we count.