UX 1506 then AR 1133 at Madrid
Frankfurt am Main → Madrid → Buenos Aires
Timetable, Madrid time
21:45UX 1506 from Frankfurt am Main at the gatealso MU 4955, AM 6820, EY 7556, AD 7876
19:05AR 1133 to Buenos Aires leaves the gate
21 h 20 apart on the timetable, overnight
AR 1133 leaves 21 h 20 after UX 1506 arrives on the timetable: more than half a day, so not a connection we count.