United Airlines wanted to increase passenger loyalty. Their marketing research problem was to identify factors influencing airline travelers' loyalty. Research revealed safety, price, frequent flyer programs, and brand influenced choice. However, airlines were similar on these. Secondary data suggested food could differentiate airlines and influence loyalty. Surveys found customers wanted varied, updated food. Hypotheses predicted food was important and travelers valued branded, exotic food in large portions of consistent quality. Research testing these hypotheses helped United improve food service, increasing customer satisfaction and loyalty.