IB 494 then FR 572 at Madrid
Santander → Madrid → Porto
Timetable, Madrid time
18:45IB 494 from Santander at the gatealso VY 5357, BA 7274
14:05FR 572 to Porto leaves the gate
19 h 20 apart on the timetable, overnight
FR 572 leaves 19 h 20 after IB 494 arrives on the timetable: more than half a day, so not a connection we count.