A3 149 then BA 635 at Athens
Alexandroupolis → Athens → London Heathrow
Timetable, Athens time
10:15A3 149 from Alexandroupolis at the gate
17:15BA 635 to London Heathrow leaves the gate
7 h apart on the timetable
The last days
A3 149 and BA 635 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.