FR 4584 then FR 9391 at Barcelona
Porto → Barcelona → Nottingham
Timetable, Barcelona time
10:10FR 4584 from Porto at the gate
22:55FR 9391 to Nottingham leaves the gate
12 h 45 apart on the timetable
FR 9391 leaves 12 h 45 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.