EW 9766 then LX 338 at Zurich
Düsseldorf → Zurich → London Heathrow
Timetable, Zurich time
18:40EW 9766 from Düsseldorf at the gate
18:25LX 338 to London Heathrow leaves the gate
23 h 45 apart on the timetable, overnight
LX 338 leaves 23 h 45 after EW 9766 arrives on the timetable: more than half a day, so not a connection we count.