FR 499 then IB 547 at Madrid
London Stansted → Madrid → Porto
Timetable, Madrid time
19:20FR 499 from London Stansted at the gate
15:40IB 547 to Porto leaves the gate
20 h 20 apart on the timetable, overnight
IB 547 leaves 20 h 20 after FR 499 arrives on the timetable: more than half a day, so not a connection we count.