UA 3536 then AA 529 at O'Hare
Detroit → Chicago → Knoxville
Timetable, Chicago time
13:08UA 3536 from Detroit at the gate
10:36AA 529 to Knoxville leaves the gate
21 h 28 apart on the timetable, overnight
AA 529 leaves 21 h 28 after UA 3536 arrives on the timetable: more than half a day, so not a connection we count.