AA 6486 then AA 4545 at O'Hare
Detroit → Chicago → Tulsa
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
15:00AA 4545 to Tulsa leaves the gate
21 h 31 apart on the timetable, overnight
AA 4545 leaves 21 h 31 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.