LX 1019 then U2 2756 at Zurich
Düsseldorf → Zurich → Edinburgh
Timetable, Zurich time
15:55LX 1019 from Düsseldorf at the gate
14:15U2 2756 to Edinburgh leaves the gate
22 h 20 apart on the timetable, overnight
U2 2756 leaves 22 h 20 after LX 1019 arrives on the timetable: more than half a day, so not a connection we count.