METHODOLOGY This study covers a sample of 270 respondents and the survey was conducted at the Chennai international terminal of TamilNadu during May-June 2011. Sampling is done by interviewing randomly selected passengers, at different times of the day, on every day of the week, over a four week period. A structured questionnaire was used for data collection. The questionnaire was divided into five sections, the first section reveals the demographic profile of respondents and second, third and fourth sections are designed to evaluate their overall experiences they received from the airline services and the last is dealing with the passenger preference as to different travel class provided by airline companies. The questions were phrased in the form of statements scored on a 5-point Likert type scale, ranking from 1 “highly dissatisfied” to 5 “highly satisfied”. Exploratory Factor Analysis issued for measuring airline service quality to determine the dimension of airline service quality. Factor analysis is a general name denoting a class of procedures primarily used for data reduction and summarization. Average score analysis is conducted to evaluate the different airline services. Service quality satisfaction has been analyzed on the basis of score assigned in the questionnaire, 5 marks is assigned to highly satisfied, 4 mark for satisfied, 3 mark for moderate, 2 mark for dissatisfied and 1 mark for highly dissatisfied. Pie-chart is prepared to check the passenger willingness to travel in economy, business and premium class in different airlines. The variable and substances used in data collection is depicted in Table 1.