QR 3663 then FR 7351 at Barcelona
Bologna → Barcelona → Vienna
Timetable, Barcelona time
10:05QR 3663 from Bologna at the gatealso LA 5855
09:15FR 7351 to Vienna leaves the gate
23 h 10 apart on the timetable, overnight
FR 7351 leaves 23 h 10 after QR 3663 arrives on the timetable: more than half a day, so not a connection we count.