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Operating segments | 12 Months Ended
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Dec. 31, 2017
Operating segments |
Operating segments | 24. Operating segments The Company is managed as a single business unit that provides air transportation services. The Company has two geographic segments identified below:
|  | 2017 |  | 2016 |  | 2015 |
Operating revenues: |  |  |  |  |  |  |
Domestic (Mexico) |  | Ps. | 17,313,740 |  | Ps. | 15,720,807 |  | Ps. | 12,579,806 |
International: |  |  |  |  |  |  |
United States of America and Central America* |  | 7,531,635 |  | 7,791,644 |  | 5,599,898 |
Total operating revenues |  | Ps. | 24,845,375 |  | Ps. | 23,512,451 |  | Ps. | 18,179,704 |
*United States of America represents approximately 29%, 32% and 31% of total revenues from external customers in 2017, 2016 and 2015, respectively. Revenues are allocated by geographic segments based upon the origin of each flight. The Company does not have material non-current assets located in foreign countries.

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