UA 3911 then AA 1682 at O'Hare
Orlando → Chicago → Miami
Timetable, Chicago time
09:07UA 3911 from Orlando at the gate
08:15AA 1682 to Miami leaves the gate
23 h 08 apart on the timetable, overnight
AA 1682 leaves 23 h 08 after UA 3911 arrives on the timetable: more than half a day, so not a connection we count.