AA 742 then FR 878 at Barcelona
Philadelphia → Barcelona → Venezia
Timetable, Barcelona time
09:10AA 742 from Philadelphia at the gatealso BA 1607, AY 3814, IB 4934
08:30FR 878 to Venezia leaves the gate
23 h 20 apart on the timetable, overnight
FR 878 leaves 23 h 20 after AA 742 arrives on the timetable: more than half a day, so not a connection we count.