FR 155 then IB 537 at Madrid
Bristol → Madrid → Lisbon
Timetable, Madrid time
20:15FR 155 from Bristol at the gate
19:40IB 537 to Lisbon leaves the gatealso LA 1590, VY 5067, DT 6106, QR 6975, PC 7964
23 h 25 apart on the timetable, overnight
IB 537 leaves 23 h 25 after FR 155 arrives on the timetable: more than half a day, so not a connection we count.