SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2017

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

SKYWEST, INC. AND SUBSIDIARIES

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2017, 2016 and 2015

(Dollars in thousands)

			Additions
	Balance at		Charged to
	Beginning		Costs and			Balance at
Description	of Year		Expenses		Deductions	End of Year
Year ended December 31, 2017:
Allowance for inventory obsolescence(1)	$	40,497		—	(23,399)	$	17,098
Allowance for doubtful accounts receivable		173		—	(16)		157
	$	40,670		—	(23,415)	$	17,255
Year ended December 31, 2016:
Allowance for inventory obsolescence(2)	$	13,933		26,564	—	$	40,497
Allowance for doubtful accounts receivable		187		—	(14)		173
	$	14,120		26,564	(14)	$	40,670
Year ended December 31, 2015:
Allowance for inventory obsolescence	$	11,588		2,345	—	$	13,933
Allowance for doubtful accounts receivable		326		—	(139)		187
	$	11,914		2,345	(139)	$	14,120

(1) The deductions in 2017 related to the disposal of excess and obsolete inventory in 2017.

(2) The increase in the inventory obsolescence related to additional excess inventory identified as part of the impairment analysis of the 50-seat aircraft. See note 8, Special items, for additional detail on the impairment.