IB 682 then CX 1751 at Madrid
Venezia → Madrid → Buenos Aires
Timetable, Madrid time
22:25IB 682 from Venezia at the gatealso LA 1653, VY 5111, AA 8820
12:20CX 1751 to Buenos Aires leaves the gatealso BA 4255, AY 5375
13 h 55 apart on the timetable, overnight
CX 1751 leaves 13 h 55 after IB 682 arrives on the timetable: more than half a day, so not a connection we count.