F9 1441 then AA 5001 at O'Hare
Atlanta → Chicago → Birmingham (Alabama)
Timetable, Chicago time
12:51F9 1441 from Atlanta at the gate
10:30AA 5001 to Birmingham (Alabama) leaves the gate
21 h 39 apart on the timetable, overnight
AA 5001 leaves 21 h 39 after F9 1441 arrives on the timetable: more than half a day, so not a connection we count.