UA 3922 then AA 1682 at O'Hare
Tampa → Chicago → Miami
Timetable, Chicago time
11:35UA 3922 from Tampa at the gate
08:15AA 1682 to Miami leaves the gate
20 h 40 apart on the timetable, overnight
AA 1682 leaves 20 h 40 after UA 3922 arrives on the timetable: more than half a day, so not a connection we count.