FR 3877 then IB 547 at Madrid
Tangier → Madrid → Porto
Timetable, Madrid time
17:35FR 3877 from Tangier at the gate
15:40IB 547 to Porto leaves the gate
22 h 05 apart on the timetable, overnight
IB 547 leaves 22 h 05 after FR 3877 arrives on the timetable: more than half a day, so not a connection we count.