UA 5192 then AA 3503 at O'Hare
Jacksonville → Chicago → Northwest Arkansas
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
15:22AA 3503 to Northwest Arkansas leaves the gate
21 h 52 apart on the timetable, overnight
AA 3503 leaves 21 h 52 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.