IB 2241 then IB 425 at Madrid
Strasbourg → Madrid → Barcelona
Timetable, Madrid time
20:25IB 2241 from Strasbourg at the gatealso VY 5641, QR 6525
20:00IB 425 to Barcelona leaves the gatealso LA 1694, LL 3025, VY 5079, AV 6083, QR 6924, CZ 7311
23 h 35 apart on the timetable, overnight
IB 425 leaves 23 h 35 after IB 2241 arrives on the timetable: more than half a day, so not a connection we count.