OS 135 then U2 7644 at Zurich
Vienna → Zurich → Lisbon
Timetable, Zurich time
11:10OS 135 from Vienna at the gate
10:40U2 7644 to Lisbon leaves the gate
23 h 30 apart on the timetable, overnight
U2 7644 leaves 23 h 30 after OS 135 arrives on the timetable: more than half a day, so not a connection we count.