UX 42 then IB 1615 at Madrid
Buenos Aires → Madrid → Gran Canaria
Timetable, Madrid time
02:00UX 42 from Buenos Aires at the gate
14:30IB 1615 to Gran Canaria leaves the gate
12 h 30 apart on the timetable
IB 1615 leaves 12 h 30 after UX 42 arrives on the timetable: more than half a day, so not a connection we count.