UA 2683 then AA 529 at O'Hare
Orlando → Chicago → Knoxville
Timetable, Chicago time
11:59UA 2683 from Orlando at the gate
10:36AA 529 to Knoxville leaves the gate
22 h 37 apart on the timetable, overnight
AA 529 leaves 22 h 37 after UA 2683 arrives on the timetable: more than half a day, so not a connection we count.