UA 1525 then AA 529 at O'Hare
Newark → Chicago → Knoxville
Timetable, Chicago time
11:47UA 1525 from Newark at the gate
10:36AA 529 to Knoxville leaves the gate
22 h 49 apart on the timetable, overnight
AA 529 leaves 22 h 49 after UA 1525 arrives on the timetable: more than half a day, so not a connection we count.