BA 669 then EW 9469 at Heathrow
Marrakesh → London → Düsseldorf
Timetable, London time
20:20BA 669 from Marrakesh at the gate
19:30EW 9469 to Düsseldorf leaves the gate
23 h 10 apart on the timetable, overnight
EW 9469 leaves 23 h 10 after BA 669 arrives on the timetable: more than half a day, so not a connection we count.