AA 1732 then AA 742 at Philadelphia
San Francisco → Philadelphia → Barcelona
Timetable, Philadelphia time
21:04AA 1732 from San Francisco at the gate
19:40AA 742 to Barcelona leaves the gate
22 h 36 apart on the timetable, overnight
AA 742 leaves 22 h 36 after AA 1732 arrives on the timetable: more than half a day, so not a connection we count.