QR 3755 then A3 1708 at Barcelona
Paris Orly → Barcelona → Lisbon
Timetable, Barcelona time
23:30QR 3755 from Paris Orly at the gatealso IB 5879, LL 5879, VY 8029
21:10A3 1708 to Lisbon leaves the gatealso OU 5726, AD 7243, S4 8711
21 h 40 apart on the timetable, overnight
A3 1708 leaves 21 h 40 after QR 3755 arrives on the timetable: more than half a day, so not a connection we count.