As of 2015, Spirit Airlines does not have a strict seating policy enforced on larger passengers published online. CheapAir.com reports that customers who call Spirit Airlines are recommended to either purchase a Big Front Seat, which has a width of 18.5 inches, or an additional seat.
Spirit Airlines' Big Front Seat is approximately 0.7 inches wider than its standard economic class seat. This seat also has 6 more inches in front of it for the passenger's legs. Spirit Airlines is a budget airline that serves the Americas and flies to over 50 destinations. These destinations are located in various North, South and Central American countries, such as the United States, Canada and various Caribbean countries.