FR 574 then AA 743 at Barcelona
Bologna → Barcelona → Philadelphia
Timetable, Barcelona time
21:10FR 574 from Bologna at the gate
12:00AA 743 to Philadelphia leaves the gatealso BA 1608, AY 3815, IB 4935
14 h 50 apart on the timetable, overnight
AA 743 leaves 14 h 50 after FR 574 arrives on the timetable: more than half a day, so not a connection we count.