U2 2707 then IB 545 at Madrid
Bristol → Madrid → Porto
Timetable, Madrid time
19:45U2 2707 from Bristol at the gate
11:25IB 545 to Porto leaves the gatealso CX 1867, VY 5306, DT 6092, QR 6930, AA 8665
15 h 40 apart on the timetable, overnight
IB 545 leaves 15 h 40 after U2 2707 arrives on the timetable: more than half a day, so not a connection we count.