Carrier to add third nonstop destination in Mexico for Denver Customers DALLAS, 2015-4-15 — /Travel PR News/ — Southwest Airlines® (NYSE: LUV) today filed an application with the U.S. Department of Transportation to provide daily, nonstop service between Denver International Airport (DEN) and Lic. Gustavo Diaz Ordaz International Airport (PVR) in Puerto Vallarta, Mexico, beginning in November 2015, subject… Read the full press release