IB 5987 then FR 4585 at Barcelona
Cairo → Barcelona → Porto
Timetable, Barcelona time
03:25IB 5987 from Cairo at the gatealso LL 5987, VY 8591
19:20FR 4585 to Porto leaves the gate
15 h 55 apart on the timetable
FR 4585 leaves 15 h 55 after IB 5987 arrives on the timetable: more than half a day, so not a connection we count.