LS 1337 then IB 420 at Barcelona
Birmingham (UK) → Barcelona → Madrid
Timetable, Barcelona time
19:00LS 1337 from Birmingham (UK) at the gate
18:55IB 420 to Madrid leaves the gatealso LA 1586, LL 3020, VY 5090, AV 6153, QR 6895
23 h 55 apart on the timetable, overnight
IB 420 leaves 23 h 55 after LS 1337 arrives on the timetable: more than half a day, so not a connection we count.