AZ 2457 then IB 409 at Madrid
Vigo → Madrid → Barcelona
Timetable, Madrid time
13:45AZ 2457 from Vigo at the gatealso KL 3380, EY 4395, AF 4786, SV 6132, AM 6817, AD 6976, UX 7315, SK 8390
10:25IB 409 to Barcelona leaves the gatealso LA 1624, CX 1827, LL 3009, VY 5116, AV 6078, BA 7129, QR 7246, AA 8727
20 h 40 apart on the timetable, overnight
IB 409 leaves 20 h 40 after AZ 2457 arrives on the timetable: more than half a day, so not a connection we count.