BA 689 then VL 2481 at Heathrow
Santorini → London → Munich
Timetable, London time
15:30BA 689 from Santorini at the gate
19:15VL 2481 to Munich leaves the gate
3 h 45 apart on the timetable
The last days
BA 689 and VL 2481 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.