IB 602 then CX 1751 at Madrid
Brussels → Madrid → Buenos Aires
Timetable, Madrid time
22:10IB 602 from Brussels at the gatealso LA 1613, VY 5093, BT 5137, AY 5563, AA 8821
12:20CX 1751 to Buenos Aires leaves the gatealso BA 4255, AY 5375
14 h 10 apart on the timetable, overnight
CX 1751 leaves 14 h 10 after IB 602 arrives on the timetable: more than half a day, so not a connection we count.