FR 10 then IB 537 at Madrid
Dublin → Madrid → Lisbon
Timetable, Madrid time
22:35FR 10 from Dublin at the gate
19:40IB 537 to Lisbon leaves the gatealso LA 1590, VY 5067, DT 6106, QR 6975, PC 7964
21 h 05 apart on the timetable, overnight
IB 537 leaves 21 h 05 after FR 10 arrives on the timetable: more than half a day, so not a connection we count.