UX 1160 then CX 1751 at Madrid
Lisbon → Madrid → Buenos Aires
Timetable, Madrid time
22:20UX 1160 from Lisbon at the gatealso AM 6829, AD 7853
12:20CX 1751 to Buenos Aires leaves the gatealso BA 4255, AY 5375
14 h apart on the timetable, overnight
CX 1751 leaves 14 h after UX 1160 arrives on the timetable: more than half a day, so not a connection we count.