UA 3915 then AA 1933 at O'Hare
Miami → Chicago → Miami
Timetable, Chicago time
22:25UA 3915 from Miami at the gate
18:05AA 1933 to Miami leaves the gate
19 h 40 apart on the timetable, overnight
AA 1933 leaves 19 h 40 after UA 3915 arrives on the timetable: more than half a day, so not a connection we count.