UA 5195 then AA 4571 at O'Hare
Macon → Chicago → Grand Rapids
Timetable, Chicago time
14:30UA 5195 from Macon at the gate
11:45AA 4571 to Grand Rapids leaves the gate
21 h 15 apart on the timetable, overnight
AA 4571 leaves 21 h 15 after UA 5195 arrives on the timetable: more than half a day, so not a connection we count.