UA 5195 then AA 2879 at O'Hare
Macon → Chicago → Charlotte
Timetable, Chicago time
14:30UA 5195 from Macon at the gate
11:47AA 2879 to Charlotte leaves the gate
21 h 17 apart on the timetable, overnight
AA 2879 leaves 21 h 17 after UA 5195 arrives on the timetable: more than half a day, so not a connection we count.