QR 3759 then IB 2601 at Barcelona
Paris Orly → Barcelona → Buenos Aires
Timetable, Barcelona time
13:25QR 3759 from Paris Orly at the gate
01:30IB 2601 to Buenos Aires leaves the gatealso LL 2601, AY 5351, QR 7231
12 h 05 apart on the timetable, overnight
IB 2601 leaves 12 h 05 after QR 3759 arrives on the timetable: more than half a day, so not a connection we count.