EW 9766 then OS 136 at Zurich
Düsseldorf → Zurich → Vienna
Timetable, Zurich time
18:40EW 9766 from Düsseldorf at the gate
12:40OS 136 to Vienna leaves the gate
18 h apart on the timetable, overnight
OS 136 leaves 18 h after EW 9766 arrives on the timetable: more than half a day, so not a connection we count.