AA 2258 then UA 5196 at O'Hare
Las Vegas → Chicago → Macon
Timetable, Chicago time
12:52AA 2258 from Las Vegas at the gate
12:00UA 5196 to Macon leaves the gate
23 h 08 apart on the timetable, overnight
UA 5196 leaves 23 h 08 after AA 2258 arrives on the timetable: more than half a day, so not a connection we count.