KEY POINTS
  • U.S. Airlines are tweaking their booking systems to offer nonbinary gender options.
  • United Airlines will offer "Mx." as an option along with "Mr." and "Ms."
Travelers check-in at the United Airlines Premier Access at O'Hare International Airport on April 12, 2017 in Chicago, Illinois.

Airlines are planning to present travelers who don't identify as either male or female more options when they book their flights.

Airlines for America, an industry group that represents some of the largest U.S. carriers, including American Airlines, JetBlue Airways and Alaska Airlines, and the International Air Transport Association, which represents most of the world's airlines, recently approved standards for nonbinary passenger identification.