CZ 759 then IB 5454 at Barcelona
Doha → Barcelona → Paris Charles de Gaulle
Timetable, Barcelona time
07:05CZ 759 from Doha at the gatealso IB 6201, LA 7405
19:10IB 5454 to Paris Charles de Gaulle leaves the gate
12 h 05 apart on the timetable
IB 5454 leaves 12 h 05 after CZ 759 arrives on the timetable: more than half a day, so not a connection we count.