PU 502 then UX 1061 at Madrid
Buenos Aires → Madrid → Milan
Timetable, Madrid time
15:45PU 502 from Buenos Aires at the gate
15:05UX 1061 to Milan leaves the gate
23 h 20 apart on the timetable, overnight
UX 1061 leaves 23 h 20 after PU 502 arrives on the timetable: more than half a day, so not a connection we count.