IB 1050 then IB 545 at Madrid
Pamplona → Madrid → Porto
Timetable, Madrid time
11:45IB 1050 from Pamplona at the gatealso QR 5382, AT 5390, AV 6118, BA 7281, AA 8826
11:25IB 545 to Porto leaves the gatealso CX 1867, VY 5306, DT 6092, QR 6930, AA 8665
23 h 40 apart on the timetable, overnight
IB 545 leaves 23 h 40 after IB 1050 arrives on the timetable: more than half a day, so not a connection we count.