AA 1035 then B6 1488 at LAX
Philadelphia → Los Angeles → Boston
Timetable, Los Angeles time
10:01AA 1035 from Philadelphia at the gate
22:25B6 1488 to Boston leaves the gate
12 h 24 apart on the timetable
B6 1488 leaves 12 h 24 after AA 1035 arrives on the timetable: more than half a day, so not a connection we count.