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Operating segments | 12 Months Ended
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Dec. 31, 2019
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:
|  | 2019 |  | 2018 |  | 2017
Operating revenues: |  |  |  |  |  |  |  |  |
Domestic (Mexico) |  | Ps. | 24,594,797 |  | Ps. | 18,493,476 |  | Ps. | 17,272,946
International: |  |  |  |  |  |  |  |  |
United States of America and Central America* |  |  | 10,230,824 |  |  | 8,811,674 |  |  | 7,515,240
Non-derivative financial instruments |  |  | (72,949) |  |  | — |  |  | —
Total operating revenues |  | Ps. | 34,752,672 |  | Ps. | 27,305,150 |  | Ps. | 24,788,186
*United States of America represents approximately 29%, 31% and 29% of total revenues from external customers in 2019, 2018 and 2017, 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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