IB 1402 then UX 41 at Madrid
Athens → Madrid → Buenos Aires
Timetable, Madrid time
02:45IB 1402 from Athens at the gate
23:55UX 41 to Buenos Aires leaves the gate
21 h 10 apart on the timetable
UX 41 leaves 21 h 10 after IB 1402 arrives on the timetable: more than half a day, so not a connection we count.