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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2020
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Schedule of Significant Subsidiaries | The following are the significant subsidiaries included in these financial statements:
Name |  | Country of Incorporation |  | Ownership interest |
| 2020 |  |  | 2019 |
Copa Airlines |  | Panama |  |  | 99.9 | % |  |  | 99.9 | %
Copa Colombia |  | Colombia |  |  | 99.9 | % |  |  | 99.9 | %
Oval |  | British Virgin Islands |  |  | 100 | % |  |  | 100 | %
Estimated Useful Lives of Assets and Considering Residual Value |
Property and equipment |  | Estimate useful life (years) |  | Residual Value
Flight equipment (*) |  |  |  |
Airframe and engines |  | 27 |  | 15%
Major maintenance events |  | 3-16 |  | —
Ramp and miscellaneous |  |  |  |
Ground equipment |  | 10 |  | —
Furniture, fixture, equipment and other |  | 5-10 |  | —
Leasehold improvements |  | Lesser of remaining lease term and estimated useful life of the leasehold improvement |  | —
(*)   Excluding the Embraer 190 and 737-700 fleet, see note 13.

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