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Accounts receivable - Net: (Tables)

12 Months Ended

Dec. 31, 2021

Accounts receivable - Net:

Schedule of accounts receivable - net


		December 31,
		2020			2021
Clients		Ps.	1,458,653		Ps.	2,191,439
Less: impairment provision			(346,183)			(317,664)
			1,112,470			1,873,775
Notes receivable from clients			245,757			4,463
Total accounts receivable		Ps.	1,358,227		Ps.	1,878,238

Schedule of maturity analysis of past due accounts receivable and movements in impairment provision



Provision for impairment at January 1, 2020		Ps.	191,766
Mexico's increase during the period			70,470
Aerostar's increase during the period			50,842
Airplan’s increase during the period			33,105
Provision for impairment at December 31, 2020		Ps.	346,183
Mexico's increase during the period		Ps.	9,331
Application of Aerostar's estimate during the period			(36,275)
Application of Airplan's estimate during the period			(1,575)
Provision for impairment at December 31, 2021		Ps.	317,664

Schedule of provision for losses


		Due to								More than
		expire		1 to 90		91 to 180		181 to 365		365
Expected loss rate 2020:
Mexico		0.00	%	0.02	%	19.20	%	100	%	100	%
Aerostar		5.40	%	5.10	%	43.70	%	87.50	%	100	%
Airplan		0.83	%	0.70	%	0.83	%	100	%	100	%


		Due to												More			Total estimate
		expire			1 to 90			91 to 180			181 to 365			than 365			12/31/2020
At December 31, 2020
Mexico’s accounts receivables		Ps.	474,854		Ps.	59,819		Ps.	14,292		Ps.	66,816		Ps.	129,056			—
Mexico’s provision impairment						784			2,744			66,816			129,056		Ps.	199,400
Aerostar’s account receivables			444,515			60,421			3,702			4,896			55,360			—
Aerostar’s provision impairment			23,984			3,084			1,619			4,284			55,360			88,331
Airplan’s accounts receivables			—			73,865			1,610			37,214			32,233			—
Airplan’s provision impairment			—			516			110			25,593			32,233			58,452
Total estimate																	Ps.	346,183


		Due to								More than
		expire		1 to 90		91 to 180		181 to 365		365
Expected loss rate 2021:
Mexico		0.00	%	0.02	%	19.20	%	100.00	%	100.00	%
Aerostar		5.40	%	5.10	%	43.70	%	87.50	%	100.00	%
Airplan		0.83	%	0.83	%	0.83	%	100.00	%	100.00	%


		Due to												More			Total estimate
		expire			1 to 90			91 to 180			181 to 365			than 365			12/31/2021
At December 31, 2021
Mexico’s accounts receivables		Ps.	1,487,553		Ps.	44,571		Ps.	6,429		Ps.	78,432		Ps.	129,056			—
Mexico’s provision impairment						9			1,234			78,432			129,056		Ps.	208,731
Aerostar’s account receivables			140,588			98,868			63,952			772			10,734			—
Aerostar’s provision impairment			7,657			5,042			27,947			676			10,734			52,056
Airplan’s accounts receivables						82,638			561			22,807			24,478			—
Airplan’s provision impairment						9,030			561			22,807			24,478			56,877
Total estimate																	Ps.	317,664