AA 4454 then AA 6260 at O'Hare
Indianapolis → Chicago → Birmingham (Alabama)
Timetable, Chicago time
06:00AA 4454 from Indianapolis at the gate
21:59AA 6260 to Birmingham (Alabama) leaves the gate
15 h 59 apart on the timetable
AA 6260 leaves 15 h 59 after AA 4454 arrives on the timetable: more than half a day, so not a connection we count.