AA 9909 then AA 4923 at Phoenix
Salt Lake City → Phoenix → Flagstaff
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
11:04AA 4923 to Flagstaff leaves the gate
20 h 34 apart on the timetable, overnight
AA 4923 leaves 20 h 34 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.