MU 4963 then AR 1133 at Madrid
Brussels → Madrid → Buenos Aires
Timetable, Madrid time
21:25MU 4963 from Brussels at the gatealso AM 6915, EY 7550
19:05AR 1133 to Buenos Aires leaves the gate
21 h 40 apart on the timetable, overnight
AR 1133 leaves 21 h 40 after MU 4963 arrives on the timetable: more than half a day, so not a connection we count.