EW 9766 then CJ 8766 at Zurich
Düsseldorf → Zurich → London City
Timetable, Zurich time
18:10EW 9766 from Düsseldorf at the gate
14:50CJ 8766 to London City leaves the gate
20 h 40 apart on the timetable, overnight
CJ 8766 leaves 20 h 40 after EW 9766 arrives on the timetable: more than half a day, so not a connection we count.