UA 5680 then AA 529 at O'Hare
Norfolk → Chicago → Knoxville
Timetable, Chicago time
14:10UA 5680 from Norfolk at the gate
10:36AA 529 to Knoxville leaves the gate
20 h 26 apart on the timetable, overnight
AA 529 leaves 20 h 26 after UA 5680 arrives on the timetable: more than half a day, so not a connection we count.