FR 3813 then IB 795 at Madrid
Bologna → Madrid → Vienna
Timetable, Madrid time
21:35FR 3813 from Bologna at the gate
16:00IB 795 to Vienna leaves the gatealso LA 1634, VY 5076, AT 5494, AA 8712
18 h 25 apart on the timetable, overnight
IB 795 leaves 18 h 25 after FR 3813 arrives on the timetable: more than half a day, so not a connection we count.