AA 9909 then DL 3535 at Phoenix
Salt Lake City → Phoenix → Austin
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
10:34DL 3535 to Austin leaves the gate
20 h 04 apart on the timetable, overnight
DL 3535 leaves 20 h 04 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.