FR 606 then IB 547 at Madrid
Copenhagen → Madrid → Porto
Timetable, Madrid time
20:50FR 606 from Copenhagen at the gate
15:40IB 547 to Porto leaves the gate
18 h 50 apart on the timetable, overnight
IB 547 leaves 18 h 50 after FR 606 arrives on the timetable: more than half a day, so not a connection we count.