IB 5437 then QR 4704 at Barcelona
Paris Orly → Barcelona → Porto
Timetable, Barcelona time
14:25IB 5437 from Paris Orly at the gatealso LL 5437, QR 5538, VY 8011
08:35QR 4704 to Porto leaves the gate
18 h 10 apart on the timetable, overnight
QR 4704 leaves 18 h 10 after IB 5437 arrives on the timetable: more than half a day, so not a connection we count.