FR 6926 then LH 1815 at Barcelona
Rome → Barcelona → Munich
Timetable, Barcelona time
21:10FR 6926 from Rome at the gate
18:20LH 1815 to Munich leaves the gate
21 h 10 apart on the timetable, overnight
LH 1815 leaves 21 h 10 after FR 6926 arrives on the timetable: more than half a day, so not a connection we count.