Nation’s fastest-growing airline expands to Cancun, Nashville and Newark MIRAMAR, Fla., 2020-Mar-03 — /Travel PR News/ — Austinites can afford More Go than ever before, thanks to the nation’s fastest-growing airline. Spirit Airlines (NYSE: SAVE) launched its first international service from Austin-Bergstrom International Airport, the airline announced Wednesday, with more destinations and more signature low fares… Read the full press release