MS 767 then QR 3664 at Barcelona
Cairo → Barcelona → Algiers
Timetable, Barcelona time
14:25MS 767 from Cairo at the gate
20:35QR 3664 to Algiers leaves the gate
6 h 10 apart on the timetable
The last days
MS 767 and QR 3664 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.