UA 3532 then AA 6339 at O'Hare
Knoxville → Chicago → Kansas City
Timetable, Chicago time
18:43UA 3532 from Knoxville at the gate
15:42AA 6339 to Kansas City leaves the gate
20 h 59 apart on the timetable, overnight
AA 6339 leaves 20 h 59 after UA 3532 arrives on the timetable: more than half a day, so not a connection we count.