AA 5175 then UA 3636 at O'Hare
Akron → Chicago → Knoxville
Timetable, Chicago time
07:17AA 5175 from Akron at the gate
07:07UA 3636 to Knoxville leaves the gate
23 h 50 apart on the timetable, overnight
UA 3636 leaves 23 h 50 after AA 5175 arrives on the timetable: more than half a day, so not a connection we count.