UA 5195 then AA 249 at O'Hare
Macon → Chicago → Mexico City
Timetable, Chicago time
14:30UA 5195 from Macon at the gate
08:45AA 249 to Mexico City leaves the gate
18 h 15 apart on the timetable, overnight
AA 249 leaves 18 h 15 after UA 5195 arrives on the timetable: more than half a day, so not a connection we count.