AA 1428 then AA 2349 at Phoenix
DES → Phoenix → Boston
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
09:45AA 2349 to Boston leaves the gate
23 h 16 apart on the timetable, overnight
AA 2349 leaves 23 h 16 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.