CX 1750 then EC 4390 at Madrid
Buenos Aires → Madrid → Lyon
Timetable, Madrid time
05:30CX 1750 from Buenos Aires at the gatealso BA 4252, QR 6919
17:40EC 4390 to Lyon leaves the gate
12 h 10 apart on the timetable
EC 4390 leaves 12 h 10 after CX 1750 arrives on the timetable: more than half a day, so not a connection we count.