FR 9673 then IB 425 at Madrid
Rome → Madrid → Barcelona
Timetable, Madrid time
23:30FR 9673 from Rome at the gate
20:00IB 425 to Barcelona leaves the gatealso LA 1694, LL 3025, VY 5079, AV 6083, QR 6924, CZ 7311
20 h 30 apart on the timetable, overnight
IB 425 leaves 20 h 30 after FR 9673 arrives on the timetable: more than half a day, so not a connection we count.