LH 2509 then BA 951 at Munich
Birmingham (UK) → Munich → London Heathrow
Timetable, Munich time
13:50LH 2509 from Birmingham (UK) at the gate
17:25BA 951 to London Heathrow leaves the gate
3 h 35 apart on the timetable
Munich’s board gives a departure time for only about 22% of its flights, so many days show no gate time.
The last days
LH 2509 and BA 951 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.