AA 3871 then AA 5604 at Charlotte
Northwest Arkansas → Charlotte → Springfield
Timetable, Charlotte time
12:15AA 3871 from Northwest Arkansas at the gate
11:35AA 5604 to Springfield leaves the gate
23 h 20 apart on the timetable, overnight
AA 5604 leaves 23 h 20 after AA 3871 arrives on the timetable: more than half a day, so not a connection we count.