AA 2290 then AA 1431 at Miami
Nashville → Miami → Chicago O'Hare
Timetable, Miami time
09:25AA 2290 from Nashville at the gate
08:37AA 1431 to Chicago O'Hare leaves the gate
23 h 12 apart on the timetable, overnight
AA 1431 leaves 23 h 12 after AA 2290 arrives on the timetable: more than half a day, so not a connection we count.