AA 644 then AA 3631 at Phoenix
Tampa → Phoenix → Sacramento
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
17:35AA 3631 to Sacramento leaves the gate
20 h 45 apart on the timetable, overnight
AA 3631 leaves 20 h 45 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.