AA 644 then AA 2068 at Phoenix
Tampa → Phoenix → Madison
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
17:09AA 2068 to Madison leaves the gate
20 h 19 apart on the timetable, overnight
AA 2068 leaves 20 h 19 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.