CZ 759 then FR 6973 at Barcelona
Doha → Barcelona → Rome
Timetable, Barcelona time
07:05CZ 759 from Doha at the gatealso IB 6201, LA 7405
23:00FR 6973 to Rome leaves the gate
15 h 55 apart on the timetable
FR 6973 leaves 15 h 55 after CZ 759 arrives on the timetable: more than half a day, so not a connection we count.