QR 3703 then OS 402 at Barcelona
Bologna → Barcelona → Vienna
Timetable, Barcelona time
16:00QR 3703 from Bologna at the gate
09:55OS 402 to Vienna leaves the gate
17 h 55 apart on the timetable, overnight
OS 402 leaves 17 h 55 after QR 3703 arrives on the timetable: more than half a day, so not a connection we count.