AA 6486 then UA 2287 at O'Hare
Detroit → Chicago → Sarasota
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
11:44UA 2287 to Sarasota leaves the gate
18 h 15 apart on the timetable, overnight
UA 2287 leaves 18 h 15 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.