FR 4596 then LH 1813 at Barcelona
Porto → Barcelona → Munich
Timetable, Barcelona time
00:50FR 4596 from Porto at the gate
15:20LH 1813 to Munich leaves the gate
14 h 30 apart on the timetable
LH 1813 leaves 14 h 30 after FR 4596 arrives on the timetable: more than half a day, so not a connection we count.