AA 503 then AA 2391 at Phoenix
Northwest Arkansas → Phoenix → Atlanta
Timetable, Phoenix time
17:10AA 503 from Northwest Arkansas at the gate
16:55AA 2391 to Atlanta leaves the gate
23 h 45 apart on the timetable, overnight
AA 2391 leaves 23 h 45 after AA 503 arrives on the timetable: more than half a day, so not a connection we count.