LH 579 then LH 1978 at Munich
Johannesburg → Munich → Cologne
Timetable, Munich time
05:25LH 579 from Johannesburg at the gate
11:40LH 1978 to Cologne leaves the gate
6 h 15 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 579 and LH 1978 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.