KL 1501 then IB 107 at Madrid
Amsterdam → Madrid → Buenos Aires
Timetable, Madrid time
09:55KL 1501 from Amsterdam at the gatealso MU 1845, UX 3766, BT 6050, DL 9360
09:40IB 107 to Buenos Aires leaves the gate
23 h 45 apart on the timetable, overnight
IB 107 leaves 23 h 45 after KL 1501 arrives on the timetable: more than half a day, so not a connection we count.