The tourism industry in Puerto Vallarta and the Riviera Nayarit continues to show signs of recovery, as airlines with a presence in the region continue to increase their routes and frequencies. One example is U.S. flag carrier American Airlines, which announced a new flight from Austin, Texas to Puerto Vallarta for Fall 2021, with three weekly flights on Tuesdays, Thursdays, and Saturdays. The airline will begin operating the AUS-PVR route betwee…