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OTHER INCOME, BY FUNCTION (Tables)
 12 Months Ended
Dec. 31, 2017
Material income and expense [abstract]  
Schedule of other income by function

Other income by function is as follows:

 

    For the period ended  
    December 31,  
    2017     2016     2015  
    ThUS$     ThUS$     ThUS$  
                   
Coalition and loyalty program Multiplus     240,952       174,197       154,958  
Tours     109,463       133,575       113,225  
Aircraft leasing     103,741       65,011       46,547  
Customs and warehousing     26,793       24,548       25,457  
Maintenance     6,585       17,090       11,669  
Duty free     8,038       11,141       16,408  
Other miscellaneous income     54,317       113,186       17,517  
Total     549,889       538,748       385,781