EW 9466 then BA 410 at Heathrow
Düsseldorf → London → Valencia
Timetable, London time
15:00EW 9466 from Düsseldorf at the gate
14:25BA 410 to Valencia leaves the gate
23 h 25 apart on the timetable, overnight
BA 410 leaves 23 h 25 after EW 9466 arrives on the timetable: more than half a day, so not a connection we count.