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Financial risk management: Additional information (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 MXN ($) | Dec. 31, 2023 MXN ($) | Apr. 10, 2025 | Oct. 31, 2021
Revenue From Regulated Services |  |  |  |
Closing foreign exchange rate | 20.79 | 16.92 |  |
Foreign exchange gain (loss) | $ 644,700 | $ 423,600 |  |
Guaranteed not amount | $ 2,804,341 | $ 2,317,818 |  |
Percentage of increase decrease in foreign exchange rate | 5.00% | 5.00% |  |
Number of times cash held to pay debt and short-term loans | 17.50% |  |  |
Changes in foreign exchange rates |  |  |  |
Revenue From Regulated Services |  |  |  |
Closing foreign exchange rate |  |  | 20.7653 |
Passenger fees |  |  |  |
Revenue From Regulated Services |  |  |  |
Guaranteed not amount | $ 1,563,833 | $ 1,394,587 |  |
Passenger fees | Customer concentrations risk |  |  |  |
Revenue From Regulated Services |  |  |  |
Guaranteed not amount | 26,514 |  |  |
Accumulated impairment |  |  |  |
Revenue From Regulated Services |  |  |  |
Provision impairment | $ 128,000 |  |  |
BBVA Bancomer, S.A. New |  |  |  |
Revenue From Regulated Services |  |  |  |
Points to add interest rate | 1.50% |  |  | 135.00%
Cancun Airport Services, S. A. de C. V. |  |  |  |
Revenue From Regulated Services |  |  |  |
Currency weakended | 61.30% | 59.30% |  |
Grupo Mexicana |  |  |  |
Revenue From Regulated Services |  |  |  |
Receivables due from related parties | $ 128,000 |  |  |
Mexico |  |  |  |
Revenue From Regulated Services |  |  |  |
Notes received pledged |  | $ 23,415 |  |

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