FR 7920 then IB 545 at Madrid
Shannon → Madrid → Porto
Timetable, Madrid time
12:50FR 7920 from Shannon at the gate
11:25IB 545 to Porto leaves the gatealso CX 1867, VY 5306, DT 6092, QR 6930, AA 8665
22 h 35 apart on the timetable, overnight
IB 545 leaves 22 h 35 after FR 7920 arrives on the timetable: more than half a day, so not a connection we count.