IB 5437 then QR 3771 at Barcelona
Paris Orly → Barcelona → Basel
Timetable, Barcelona time
14:25IB 5437 from Paris Orly at the gatealso LL 5437, QR 5538, VY 8011
08:45QR 3771 to Basel leaves the gate
18 h 20 apart on the timetable, overnight
QR 3771 leaves 18 h 20 after IB 5437 arrives on the timetable: more than half a day, so not a connection we count.