IB 419 then QR 3683 at Barcelona
Madrid → Barcelona → Santander
Timetable, Barcelona time
18:10IB 419 from Madrid at the gatealso LA 1524, LL 3019, VY 5059, AT 5332, AV 6174, QR 8077
16:05QR 3683 to Santander leaves the gate
21 h 55 apart on the timetable, overnight
QR 3683 leaves 21 h 55 after IB 419 arrives on the timetable: more than half a day, so not a connection we count.