U2 6841 then OS 146 at Zurich
Porto → Zurich → Vienna
Timetable, Zurich time
21:05U2 6841 from Porto at the gate
20:50OS 146 to Vienna leaves the gate
23 h 45 apart on the timetable, overnight
OS 146 leaves 23 h 45 after U2 6841 arrives on the timetable: more than half a day, so not a connection we count.