UA 5064 then AA 5294 at O'Hare
Decatur → Chicago → Knoxville
Timetable, Chicago time
20:25UA 5064 from Decatur at the gate
19:59AA 5294 to Knoxville leaves the gate
23 h 34 apart on the timetable, overnight
AA 5294 leaves 23 h 34 after UA 5064 arrives on the timetable: more than half a day, so not a connection we count.