AR 1134 then FR 5321 at Madrid
Buenos Aires → Madrid → Milan
Timetable, Madrid time
07:25AR 1134 from Buenos Aires at the gate
20:20FR 5321 to Milan leaves the gate
12 h 55 apart on the timetable
FR 5321 leaves 12 h 55 after AR 1134 arrives on the timetable: more than half a day, so not a connection we count.