DE 1783 then VL 2020 at Munich
Preveza → Munich → Düsseldorf
Timetable, Munich time
11:05DE 1783 from Preveza at the gate
14:05VL 2020 to Düsseldorf leaves the gate
3 h apart on the timetable
Munich’s board gives a departure time for only about 23% of its flights, so many days show no gate time.
The last days
DE 1783 and VL 2020 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.