AA 588 then AA 1516 at Charlotte
Phoenix → Charlotte → Richmond
Timetable, Charlotte time
15:45AA 588 from Phoenix at the gate
15:34AA 1516 to Richmond leaves the gate
23 h 49 apart on the timetable, overnight
AA 1516 leaves 23 h 49 after AA 588 arrives on the timetable: more than half a day, so not a connection we count.