GQ 850 then BA 391 at Brussels
Heraklion → Brussels → London Heathrow
Timetable, Brussels time
09:50GQ 850 from Heraklion at the gate
14:00BA 391 to London Heathrow leaves the gate
4 h 10 apart on the timetable
The last days
GQ 850 and BA 391 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.