IB 5987 then FR 7539 at Barcelona
Cairo → Barcelona → Milan
Timetable, Barcelona time
03:25IB 5987 from Cairo at the gatealso LL 5987, VY 8591
20:35FR 7539 to Milan leaves the gate
17 h 10 apart on the timetable
FR 7539 leaves 17 h 10 after IB 5987 arrives on the timetable: more than half a day, so not a connection we count.