FR 2508 then LH 1815 at Barcelona
Cologne → Barcelona → Munich
Timetable, Barcelona time
21:45FR 2508 from Cologne at the gate
18:20LH 1815 to Munich leaves the gate
20 h 35 apart on the timetable, overnight
LH 1815 leaves 20 h 35 after FR 2508 arrives on the timetable: more than half a day, so not a connection we count.