AA 8816 then CX 1751 at Madrid
Frankfurt am Main → Madrid → Buenos Aires
Timetable, Madrid time
22:30AA 8816 from Frankfurt am Main at the gate
12:20CX 1751 to Buenos Aires leaves the gatealso BA 4255, AY 5375
13 h 50 apart on the timetable, overnight
CX 1751 leaves 13 h 50 after AA 8816 arrives on the timetable: more than half a day, so not a connection we count.