IB 666 then QR 6976 at Madrid
Milan Linate → Madrid → Buenos Aires
Timetable, Madrid time
22:50IB 666 from Milan Linate at the gatealso VY 5267, AA 8576
12:20QR 6976 to Buenos Aires leaves the gate
13 h 30 apart on the timetable, overnight
QR 6976 leaves 13 h 30 after IB 666 arrives on the timetable: more than half a day, so not a connection we count.