AA 9909 then AA 3272 at Phoenix
Salt Lake City → Phoenix → Puerto Vallarta
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
11:06AA 3272 to Puerto Vallarta leaves the gate
20 h 36 apart on the timetable, overnight
AA 3272 leaves 20 h 36 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.