AA 9928 then AA 6260 at O'Hare
New York LaGuardia → Chicago → Birmingham (Alabama)
Timetable, Chicago time
06:45AA 9928 from New York LaGuardia at the gate
21:59AA 6260 to Birmingham (Alabama) leaves the gate
15 h 14 apart on the timetable
AA 6260 leaves 15 h 14 after AA 9928 arrives on the timetable: more than half a day, so not a connection we count.