BY 207 then U2 8523 at Gatwick
Sharm El Sheikh → London → Porto
Timetable, London time
01:25BY 207 from Sharm El Sheikh at the gate
16:55U2 8523 to Porto leaves the gate
15 h 30 apart on the timetable
U2 8523 leaves 15 h 30 after BY 207 arrives on the timetable: more than half a day, so not a connection we count.