FR 4584 then LL 5122 at Barcelona
Porto → Barcelona → Munich
Timetable, Barcelona time
18:35FR 4584 from Porto at the gate
14:00LL 5122 to Munich leaves the gate
19 h 25 apart on the timetable, overnight
LL 5122 leaves 19 h 25 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.