QR 3755 then SN 3704 at Barcelona
Paris Orly → Barcelona → Brussels
Timetable, Barcelona time
23:30QR 3755 from Paris Orly at the gatealso IB 5879, LL 5879, VY 8029
17:40SN 3704 to Brussels leaves the gate
18 h 10 apart on the timetable, overnight
SN 3704 leaves 18 h 10 after QR 3755 arrives on the timetable: more than half a day, so not a connection we count.