NP 6631 then AA 8770 at Madrid
Cairo → Madrid → London Heathrow
Timetable, Madrid time
13:00NP 6631 from Cairo at the gate
16:45AA 8770 to London Heathrow leaves the gate
3 h 45 apart on the timetable
The last days
NP 6631 and AA 8770 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.