IB 2241 then IB 449 at Madrid
Strasbourg → Madrid → Hondarribia
Timetable, Madrid time
20:25IB 2241 from Strasbourg at the gatealso VY 5641, QR 6525
19:40IB 449 to Hondarribia leaves the gatealso LA 1638, CX 1876, BT 5138, VY 5206, AT 5914, AV 6024, BA 7183, QR 8051
23 h 15 apart on the timetable, overnight
IB 449 leaves 23 h 15 after IB 2241 arrives on the timetable: more than half a day, so not a connection we count.