IB 520 then FR 3831 at Madrid
Santiago de Compostela → Madrid → Bologna
Timetable, Madrid time
15:00IB 520 from Santiago de Compostela at the gatealso LA 1762, AY 4808, VY 5283, VY 5734, AT 5910, AV 6103, BA 7199, BA 7200, QR 8037, AA 8664
14:45FR 3831 to Bologna leaves the gate
23 h 45 apart on the timetable, overnight
FR 3831 leaves 23 h 45 after IB 520 arrives on the timetable: more than half a day, so not a connection we count.