AA 1007 then UA 3719 at O'Hare
Charlotte Amalie → Chicago → Detroit
Timetable, Chicago time
20:00AA 1007 from Charlotte Amalie at the gate
12:47UA 3719 to Detroit leaves the gate
16 h 47 apart on the timetable, overnight
UA 3719 leaves 16 h 47 after AA 1007 arrives on the timetable: more than half a day, so not a connection we count.