IB 102 then IB 535 at Madrid
Buenos Aires → Madrid → Lisbon
Timetable, Madrid time
05:30IB 102 from Buenos Aires at the gate
17:40IB 535 to Lisbon leaves the gatealso LA 1535, VY 5215, DT 6112
12 h 10 apart on the timetable
IB 535 leaves 12 h 10 after IB 102 arrives on the timetable: more than half a day, so not a connection we count.