CZ 759 then IB 5452 at Barcelona
Doha → Barcelona → Paris Charles de Gaulle
Timetable, Barcelona time
07:05CZ 759 from Doha at the gatealso IB 6201, LA 7405
07:00IB 5452 to Paris Charles de Gaulle leaves the gatealso LL 5452, VY 8060
23 h 55 apart on the timetable, overnight
IB 5452 leaves 23 h 55 after CZ 759 arrives on the timetable: more than half a day, so not a connection we count.