AA 9909 then AA 3381 at Phoenix
Salt Lake City → Phoenix → Monterrey
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
13:27AA 3381 to Monterrey leaves the gate
22 h 57 apart on the timetable, overnight
AA 3381 leaves 22 h 57 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.