FR 270 then LH 1813 at Barcelona
Milan → Barcelona → Munich
Timetable, Barcelona time
17:10FR 270 from Milan at the gate
15:20LH 1813 to Munich leaves the gate
22 h 10 apart on the timetable, overnight
LH 1813 leaves 22 h 10 after FR 270 arrives on the timetable: more than half a day, so not a connection we count.