AA 9909 then AA 3231 at Phoenix
Salt Lake City → Phoenix → Washington National
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
13:16AA 3231 to Washington National leaves the gate
22 h 46 apart on the timetable, overnight
AA 3231 leaves 22 h 46 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.