PU 502 then CX 1923 at Madrid
Buenos Aires → Madrid → Lima
Timetable, Madrid time
15:45PU 502 from Buenos Aires at the gate
13:25CX 1923 to Lima leaves the gate
21 h 40 apart on the timetable, overnight
CX 1923 leaves 21 h 40 after PU 502 arrives on the timetable: more than half a day, so not a connection we count.