IB 786 then CX 1751 at Madrid
Berlin → Madrid → Buenos Aires
Timetable, Madrid time
22:45IB 786 from Berlin at the gatealso VY 5103
12:20CX 1751 to Buenos Aires leaves the gatealso BA 4255, AY 5375
13 h 35 apart on the timetable, overnight
CX 1751 leaves 13 h 35 after IB 786 arrives on the timetable: more than half a day, so not a connection we count.