AA 9909 then AA 4959 at Phoenix
Salt Lake City → Phoenix → Hermosillo
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
10:04AA 4959 to Hermosillo leaves the gate
19 h 34 apart on the timetable, overnight
AA 4959 leaves 19 h 34 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.