U2 7643 then EW 9763 at Zurich
Lisbon → Zurich → Düsseldorf
Timetable, Zurich time
20:30U2 7643 from Lisbon at the gate
15:45EW 9763 to Düsseldorf leaves the gate
19 h 15 apart on the timetable, overnight
EW 9763 leaves 19 h 15 after U2 7643 arrives on the timetable: more than half a day, so not a connection we count.