BA 476 then VY 8512 at Barcelona
London Heathrow → Barcelona → Marrakesh
Timetable, Barcelona time
11:35BA 476 from London Heathrow at the gate
06:00VY 8512 to Marrakesh leaves the gate
18 h 25 apart on the timetable, overnight
VY 8512 leaves 18 h 25 after BA 476 arrives on the timetable: more than half a day, so not a connection we count.