FR 2752 then IB 449 at Madrid
Milan → Madrid → Hondarribia
Timetable, Madrid time
21:50FR 2752 from Milan at the gate
19:40IB 449 to Hondarribia leaves the gatealso LA 1638, CX 1876, BT 5138, VY 5206, AT 5914, AV 6024, BA 7183, QR 8051
21 h 50 apart on the timetable, overnight
IB 449 leaves 21 h 50 after FR 2752 arrives on the timetable: more than half a day, so not a connection we count.