A Delta spokesperson explained the rationale behind these guidelines to Daily Mail, stating, "In the interest of transparency and clarity for all prospective candidates we are encouraging people to 'dress for success' and give a great first impression as they aspire to join the flight attendant ranks.

Delta reminded flight attendant hopefuls to wear adequate undergarments to any of its assessments in a leaked memo.

Delta Flight Attendants spend the most time with our customers and are the face of our airline. They must be passionate about enhancing each customer's experience while embodyin