AA 644 then AA 6320 at Phoenix
Tampa → Phoenix → Oklahoma City
Timetable, Phoenix time
20:50AA 644 from Tampa at the gate
19:54AA 6320 to Oklahoma City leaves the gate
23 h 04 apart on the timetable, overnight
AA 6320 leaves 23 h 04 after AA 644 arrives on the timetable: more than half a day, so not a connection we count.