KL 1503 then FR 572 at Madrid
Amsterdam → Madrid → Porto
Timetable, Madrid time
12:10KL 1503 from Amsterdam at the gatealso MU 1847, UX 3768, BT 6052, SK 6704, SK 6736, DL 9485
09:15FR 572 to Porto leaves the gate
21 h 05 apart on the timetable, overnight
FR 572 leaves 21 h 05 after KL 1503 arrives on the timetable: more than half a day, so not a connection we count.