BA 4252 then IB 405 at Madrid
Montevideo → Madrid → Barcelona
Timetable, Madrid time
12:50BA 4252 from Montevideo at the gate
07:40IB 405 to Barcelona leaves the gatealso LA 1520, LL 3005, VY 5023, AY 5585, AV 6126, BA 7127, QR 8070, AA 8548
18 h 50 apart on the timetable, overnight
IB 405 leaves 18 h 50 after BA 4252 arrives on the timetable: more than half a day, so not a connection we count.