CZ 759 then FR 3039 at Barcelona
Doha → Barcelona → Prague
Timetable, Barcelona time
07:05CZ 759 from Doha at the gatealso IB 6201, LA 7405
21:50FR 3039 to Prague leaves the gate
14 h 45 apart on the timetable
FR 3039 leaves 14 h 45 after CZ 759 arrives on the timetable: more than half a day, so not a connection we count.