AA 538 then DL 5626 at Charlotte
Phoenix → Charlotte → Boston
Timetable, Charlotte time
11:17AA 538 from Phoenix at the gate
09:50DL 5626 to Boston leaves the gate
22 h 33 apart on the timetable, overnight
DL 5626 leaves 22 h 33 after AA 538 arrives on the timetable: more than half a day, so not a connection we count.