AA 644 then AA 1614 at Phoenix
Tampa → Phoenix → Chicago O'Hare
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
17:18AA 1614 to Chicago O'Hare leaves the gate
20 h 28 apart on the timetable, overnight
AA 1614 leaves 20 h 28 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.