VL 1809 then BA 949 at Munich
Barcelona → Munich → London Heathrow
Timetable, Munich time
11:10VL 1809 from Barcelona at the gate
15:50BA 949 to London Heathrow leaves the gate
4 h 40 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
VL 1809 and BA 949 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.