FR 270 then AA 67 at Barcelona
Milan → Barcelona → New York JFK
Timetable, Barcelona time
16:45FR 270 from Milan at the gate
12:25AA 67 to New York JFK leaves the gatealso BA 1557, AY 3821, IB 4264
19 h 40 apart on the timetable, overnight
AA 67 leaves 19 h 40 after FR 270 arrives on the timetable: more than half a day, so not a connection we count.