AA 1007 then UA 3683 at O'Hare
Charlotte Amalie → Chicago → Buffalo
Timetable, Chicago time
20:00AA 1007 from Charlotte Amalie at the gate
14:17UA 3683 to Buffalo leaves the gate
18 h 17 apart on the timetable, overnight
UA 3683 leaves 18 h 17 after AA 1007 arrives on the timetable: more than half a day, so not a connection we count.