AA 644 then AA 2116 at Phoenix
Tampa → Phoenix → Dallas-Fort Worth
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
18:16AA 2116 to Dallas-Fort Worth leaves the gate
21 h 26 apart on the timetable, overnight
AA 2116 leaves 21 h 26 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.