AA 4454 then UA 2317 at O'Hare
Indianapolis → Chicago → Memphis
Timetable, Chicago time
06:00AA 4454 from Indianapolis at the gate
21:44UA 2317 to Memphis leaves the gate
15 h 44 apart on the timetable
UA 2317 leaves 15 h 44 after AA 4454 arrives on the timetable: more than half a day, so not a connection we count.