FR 12 then OS 529 at Vienna
Barcelona → Vienna → Milan Linate
Timetable, Vienna time
22:40FR 12 from Barcelona at the gate
20:35OS 529 to Milan Linate leaves the gate
21 h 55 apart on the timetable, overnight
OS 529 leaves 21 h 55 after FR 12 arrives on the timetable: more than half a day, so not a connection we count.