FR 12 then OS 141 at Vienna
Barcelona → Vienna → Zurich
Timetable, Vienna time
22:40FR 12 from Barcelona at the gate
15:00OS 141 to Zurich leaves the gate
16 h 20 apart on the timetable, overnight
OS 141 leaves 16 h 20 after FR 12 arrives on the timetable: more than half a day, so not a connection we count.