Airlines service in one’s carriers is very important way of overcoming rapid environmental changes of air transportation market. Author investigates the impact of consumer's air service ranking on the performance of airlines in the world market. Collecting worlds top 50 airlines data on service ranking and running regression models, author examined the causal relationship with performance variables such as revenue, net profit, and number of passengers transported. Service ranking unexpectedly was found not related to these airlines performances. However, magnitude of airlines size, i.e. number of employees, fleet size, was revealed positively related to other performance variables such as number of passengers and magnitudes of turnover and revenue.