Although the airline industry believes that 2013 will be a year to rebuild the profit margins in Brazil, with the help of a readjustement of the rates for the passengers, the price of airline tickets accumulated a fall of 28.1% in the first four months of this year compared to the same period in 2012. According to André Castellini, aviation specialist at Bain & Company, it is estimated an increase up to 5% in the flow of flights this year.