BA 931 then BA 470 at Heathrow
Düsseldorf → London → Palma de Mallorca
Timetable, London time
11:35BA 931 from Düsseldorf at the gate
08:00BA 470 to Palma de Mallorca leaves the gate
20 h 25 apart on the timetable, overnight
BA 470 leaves 20 h 25 after BA 931 arrives on the timetable: more than half a day, so not a connection we count.