AA 6486 then UA 2672 at O'Hare
Detroit → Chicago → Pensacola
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
10:57UA 2672 to Pensacola leaves the gate
17 h 28 apart on the timetable, overnight
UA 2672 leaves 17 h 28 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.