09926. CONSUMER DECISION-MAKING IN AIRLINE SERVICE PURCHASES. Marketing segmentation study focusing on the U.S. commercial airline industry (passengers). Develops a consumer decision process model which describes the variables affecting the passenger's selection of a particular airline and compares and contrasts variables in the decision-making process across the two key market segments of business travel and leisure travel. Includes interviews. 22 pages, 47 footnotes in text, 41 bibliographic sources.