FR 4596 then FR 3792 at Barcelona
Porto → Barcelona → Birmingham (UK)
Timetable, Barcelona time
00:50FR 4596 from Porto at the gate
15:05FR 3792 to Birmingham (UK) leaves the gate
14 h 15 apart on the timetable
FR 3792 leaves 14 h 15 after FR 4596 arrives on the timetable: more than half a day, so not a connection we count.