AA 1007 then UA 4502 at O'Hare
Charlotte Amalie → Chicago → Chattanooga
Timetable, Chicago time
20:00AA 1007 from Charlotte Amalie at the gate
14:29UA 4502 to Chattanooga leaves the gate
18 h 29 apart on the timetable, overnight
UA 4502 leaves 18 h 29 after AA 1007 arrives on the timetable: more than half a day, so not a connection we count.