EY 4309 then AR 1133 at Madrid
Barcelona → Madrid → Buenos Aires
Timetable, Madrid time
22:00EY 4309 from Barcelona at the gatealso MU 4969, KU 6078, KE 6654, AM 6809, UX 7708
19:05AR 1133 to Buenos Aires leaves the gate
21 h 05 apart on the timetable, overnight
AR 1133 leaves 21 h 05 after EY 4309 arrives on the timetable: more than half a day, so not a connection we count.