https://spiritairtofly.com/blog.html
1. Intro Spirit Airlines is a low-cost airline based in Houston, Texas. Spirit Airlines has been offered in the United States since May 24, 2007. As of August 19, 2017, Spirit Airlines has over 3,500 daily departures to 450 destinations across the United States, Canada and Mexico. In addition to the carrier's main hubs in Houston, Dallas Fort Worth International Airport and San Francisco International Airport, Spirit operates two smaller operating bases a