UA 3668 then AA 529 at O'Hare
Cincinnati Northern Kentucky → Chicago → Knoxville
Timetable, Chicago time
11:49UA 3668 from Cincinnati Northern Kentucky at the gate
10:36AA 529 to Knoxville leaves the gate
22 h 47 apart on the timetable, overnight
AA 529 leaves 22 h 47 after UA 3668 arrives on the timetable: more than half a day, so not a connection we count.