FR 4586 then AA 743 at Barcelona
Porto → Barcelona → Philadelphia
Timetable, Barcelona time
22:20FR 4586 from Porto at the gate
12:00AA 743 to Philadelphia leaves the gatealso BA 1608, AY 3815, IB 4935
13 h 40 apart on the timetable, overnight
AA 743 leaves 13 h 40 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.