UX 42 then FR 3831 at Madrid
Buenos Aires → Madrid → Bologna
Timetable, Madrid time
05:10UX 42 from Buenos Aires at the gate
21:00FR 3831 to Bologna leaves the gate
15 h 50 apart on the timetable
FR 3831 leaves 15 h 50 after UX 42 arrives on the timetable: more than half a day, so not a connection we count.