FR 3977 then MS 768 at Barcelona
Dublin → Barcelona → Cairo
Timetable, Barcelona time
19:05FR 3977 from Dublin at the gate
15:25MS 768 to Cairo leaves the gate
20 h 20 apart on the timetable, overnight
MS 768 leaves 20 h 20 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.