UA 3532 then UA 3713 at O'Hare
Knoxville → Chicago → Charleston (South Carolina)
Timetable, Chicago time
18:43UA 3532 from Knoxville at the gate
14:32UA 3713 to Charleston (South Carolina) leaves the gate
19 h 49 apart on the timetable, overnight
UA 3713 leaves 19 h 49 after UA 3532 arrives on the timetable: more than half a day, so not a connection we count.