The airline clarified (somewhat) the attire and appearance that might prevent passengers from being allowed to board or remain on a plane, a move that goes a step further than other major U.S. airlines. Spirit Airlines, Airlines and Airplanes, Tattoos, Travel and Vacations, Fashion and Apparel The airline clarified (somewhat) the attire and appearance that might prevent passengers from being allowed to board or remain on a plane, a move that goes a step further than other major U.S. airlines. NYT > Business