UA 5195 then AA 4229 at O'Hare
Macon → Chicago → Knoxville
Timetable, Chicago time
14:30UA 5195 from Macon at the gate
13:45AA 4229 to Knoxville leaves the gate
23 h 15 apart on the timetable, overnight
AA 4229 leaves 23 h 15 after UA 5195 arrives on the timetable: more than half a day, so not a connection we count.