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Rotable spare parts, furniture and equipment, net - Reconciliation of changes (Details)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2018
MXN ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
MXN ($)
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   $ 4,375,697 $ 2,525,008 $ 2,549,650
Additions   2,693,397 2,584,232 2,198,697
Disposals and transfers   (974,055) (319,671) (1,738,309)
Borrowing costs, net   115,242 83,115 10,507
Other movements   (243) (696) 716
Depreciation   (427,756) (496,291) (496,253)
Balance at end of the year $ 293,772 5,782,282 4,375,697 2,525,008
Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   6,655,478 4,309,387  
Balance at end of the year   8,487,429 6,655,478 4,309,387
Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (2,279,781) (1,784,379)  
Balance at end of the year   (2,705,147) (2,279,781) (1,784,379)
Aircraft parts and rotable spare parts        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   325,644 255,810 179,947
Additions   106,240 115,173 110,592
Disposals and transfers   (1,735) (930) (1,299)
Depreciation   (54,320) (44,409) (33,430)
Balance at end of the year   375,829 325,644 255,810
Aircraft parts and rotable spare parts | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   506,735 393,522  
Balance at end of the year   609,232 506,735 393,522
Aircraft parts and rotable spare parts | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (181,091) (137,712)  
Balance at end of the year   (233,403) (181,091) (137,712)
Aircraft spare engines        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   305,278 321,688  
Additions   260,131 385 323,025
Disposals and transfers   (260,131)    
Depreciation   (16,785) (16,795) (1,337)
Balance at end of the year   288,493 305,278 321,688
Aircraft spare engines | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   323,410 323,025  
Balance at end of the year   323,410 323,410 323,025
Aircraft spare engines | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (18,132) (1,337)  
Balance at end of the year   (34,917) (18,132) (1,337)
Constructions and improvements        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   25,168 35,013 18,202
Additions   689   2,218
Other movements   67 10,371 32,441
Depreciation   (10,689) (20,216) (17,848)
Balance at end of the year   15,235 25,168 35,013
Constructions and improvements | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   131,503 120,886  
Balance at end of the year   132,446 131,503 120,886
Constructions and improvements | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (106,335) (85,873)  
Balance at end of the year   (117,211) (106,335) (85,873)
Standardization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   79,401 82,111 83,886
Additions   10,803 15,833 21,953
Depreciation   (13,729) (18,543) (23,728)
Balance at end of the year   76,475 79,401 82,111
Standardization | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   192,808 176,975  
Balance at end of the year   203,611 192,808 176,975
Standardization | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (113,407) (94,864)  
Balance at end of the year   (127,136) (113,407) (94,864)
Computer equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   9,323 7,200 4,195
Additions   5,316 1,845 740
Other movements   9,123 4,087 4,814
Depreciation   (7,215) (3,809) (2,549)
Balance at end of the year   16,547 9,323 7,200
Computer equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   30,113 24,172  
Balance at end of the year   44,563 30,113 24,172
Computer equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (20,790) (16,972)  
Balance at end of the year   (28,016) (20,790) (16,972)
Office furniture and equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   22,295 17,657 12,932
Additions   652 6,805 517
Disposals and transfers     (15) (110)
Other movements   21,568 1,649 7,877
Depreciation   (6,209) (3,801) (3,559)
Balance at end of the year   38,306 22,295 17,657
Office furniture and equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   44,749 36,310  
Balance at end of the year   66,546 44,749 36,310
Office furniture and equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (22,454) (18,653)  
Balance at end of the year   (28,240) (22,454) (18,653)
Electric power equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   6,254 6,928 9,033
Additions       1,467
Disposals and transfers       (1,626)
Other movements     620  
Depreciation   (1,132) (1,294) (1,946)
Balance at end of the year   5,122 6,254 6,928
Electric power equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   15,439 14,818  
Balance at end of the year   15,438 15,439 14,818
Electric power equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (9,185) (7,890)  
Balance at end of the year   (10,316) (9,185) (7,890)
Workshop tools        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   2,271 4,585 4,815
Additions   2,673   4,217
Other movements   281   25
Depreciation   (1,856) (2,314) (4,472)
Balance at end of the year   3,369 2,271 4,585
Workshop tools | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   20,500 20,500  
Balance at end of the year   23,454 20,500 20,500
Workshop tools | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (18,229) (15,915)  
Balance at end of the year   (20,085) (18,229) (15,915)
Motorized transport equipment platform        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   886 1,357 1,326
Additions       505
Disposals and transfers       (49)
Other movements   42   46
Depreciation   (482) (471) (471)
Balance at end of the year   446 886 1,357
Motorized transport equipment platform | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   5,587 5,703  
Balance at end of the year   5,496 5,587 5,703
Motorized transport equipment platform | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (4,701) (4,346)  
Balance at end of the year   (5,050) (4,701) (4,346)
Communications equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   4,727 3,555 3,764
Additions   1,050   129
Other movements   26 1,968 493
Depreciation   (892) (796) (831)
Balance at end of the year   4,911 4,727 3,555
Communications equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   11,229 9,261  
Balance at end of the year   12,305 11,229 9,261
Communications equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (6,502) (5,706)  
Balance at end of the year   (7,394) (6,502) (5,706)
Workshop machinery and equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   4,060 3,618 4,179
Additions   1,040 123 131
Disposals and transfers   (2)    
Other movements   110 1,041  
Depreciation   (727) (722) (692)
Balance at end of the year   4,481 4,060 3,618
Workshop machinery and equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   8,405 7,240  
Balance at end of the year   9,530 8,405 7,240
Workshop machinery and equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (4,345) (3,622)  
Balance at end of the year   (5,049) (4,345) (3,622)
Service carts on board        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   382 758 1,453
Additions       36
Depreciation   (256) (376) (731)
Balance at end of the year   126 382 758
Service carts on board | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   5,403 5,403  
Balance at end of the year   5,403 5,403 5,403
Service carts on board | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (5,021) (4,645)  
Balance at end of the year   (5,277) (5,021) (4,645)
Pre-delivery payments        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   2,783,303 1,206,330 1,583,835
Additions   1,485,643 1,707,805 1,345,081
Disposals and transfers   (712,098) (213,947) (1,733,093)
Borrowing costs, net   115,242 83,115 10,507
Balance at end of the year   3,672,090 2,783,303 1,206,330
Pre-delivery payments | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   2,783,303 1,206,330  
Balance at end of the year   3,672,090 2,783,303 1,206,330
Construction and improvements in process        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   193,607 255,374 140,926
Additions   142,703 206,932 161,560
Disposals and transfers   (89) (3,555) (2,132)
Other movements   (193,483) (265,144) (44,980)
Balance at end of the year   142,738 193,607 255,374
Construction and improvements in process | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   193,607 255,374  
Balance at end of the year   142,738 193,607 255,374
Leasehold improvements to flight equipment        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   613,098 323,024 501,157
Additions   676,457 529,331 226,526
Disposals and transfers     (101,224)  
Other movements   162,023 244,712  
Depreciation   (313,464) (382,745) (404,659)
Balance at end of the year   1,138,114 613,098 323,024
Leasehold improvements to flight equipment | Gross value        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   2,382,687 1,709,868  
Balance at end of the year   3,221,167 2,382,687 1,709,868
Leasehold improvements to flight equipment | Accumulated depreciation / amortization        
Rotable spare parts, furniture and equipment, net        
Balance at beginning of the year   (1,769,589) (1,386,844)  
Balance at end of the year   $ (2,083,053) $ (1,769,589) $ (1,386,844)