FR 4586 then LL 5053 at Barcelona
Porto → Barcelona → Hondarribia
Timetable, Barcelona time
21:10FR 4586 from Porto at the gate
12:20LL 5053 to Hondarribia leaves the gate
15 h 10 apart on the timetable, overnight
LL 5053 leaves 15 h 10 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.