I2 1886 then FR 572 at Madrid
Dublin → Madrid → Porto
Timetable, Madrid time
22:10I2 1886 from Dublin at the gatealso IB 1886, VY 5384, EI 5793, AA 8739
16:40FR 572 to Porto leaves the gate
18 h 30 apart on the timetable, overnight
FR 572 leaves 18 h 30 after I2 1886 arrives on the timetable: more than half a day, so not a connection we count.