AA 1451 then AA 5791 at Charlotte
Phoenix → Charlotte → Salisbury
Timetable, Charlotte time
19:22AA 1451 from Phoenix at the gate
17:40AA 5791 to Salisbury leaves the gate
22 h 18 apart on the timetable, overnight
AA 5791 leaves 22 h 18 after AA 1451 arrives on the timetable: more than half a day, so not a connection we count.