UX 1518 then AR 1135 at Madrid
Munich → Madrid → Buenos Aires
Timetable, Madrid time
21:45UX 1518 from Munich at the gatealso EY 4376, MU 4957, AM 6848
09:55AR 1135 to Buenos Aires leaves the gate
12 h 10 apart on the timetable, overnight
AR 1135 leaves 12 h 10 after UX 1518 arrives on the timetable: more than half a day, so not a connection we count.