SN 3703 then FR 12 at Barcelona
Brussels → Barcelona → Vienna
Timetable, Barcelona time
16:50SN 3703 from Brussels at the gate
15:00FR 12 to Vienna leaves the gate
22 h 10 apart on the timetable, overnight
FR 12 leaves 22 h 10 after SN 3703 arrives on the timetable: more than half a day, so not a connection we count.