EW 9766 then EN 1191 at Zurich
Düsseldorf → Zurich → Frankfurt am Main
Timetable, Zurich time
18:40EW 9766 from Düsseldorf at the gate
14:25EN 1191 to Frankfurt am Main leaves the gate
19 h 45 apart on the timetable, overnight
EN 1191 leaves 19 h 45 after EW 9766 arrives on the timetable: more than half a day, so not a connection we count.