BA 965 then EI 175 at Heathrow
Hamburg → London → Dublin
Timetable, London time
15:45BA 965 from Hamburg at the gate
18:45EI 175 to Dublin leaves the gate
3 h apart on the timetable
The last days
BA 965 and EI 175 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.