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Segment Reporting | 12 Months Ended
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Dec. 31, 2020
Segment Reporting |
Segment Reporting | (3) Segment Reporting Generally accepted accounting principles require disclosures related to components of a company for which separate financial information is available to, and regularly evaluated by, the Company’s chief operating decision maker when deciding how to allocate resources and in assessing performance. Prior to the Company’s sale of ExpressJet on January 22, 2019, the Company’s three reporting segments consisted of the operations of SkyWest Airlines, ExpressJet and SkyWest Leasing activities. The segment information presented for ExpressJet reflects the period of time prior to the sale, when ExpressJet was operating as a subsidiary of the Company. The Company concluded that the sale of ExpressJet did not meet the criteria for a discontinued operation. Following the sale of ExpressJet, the Company has two reportable segments: SkyWest Airlines and SkyWest Leasing. ​ The Company’s chief operating decision maker analyzes the profitability of operating new aircraft financed through the issuance of debt, including the Company’s E175 fleet, separately from the profitability of the Company’s capital deployed for ownership and financing of such aircraft. The SkyWest Airlines segment includes revenue earned under the applicable capacity purchase contracts attributed to operating such aircraft and the respective operating costs. The SkyWest Leasing segment includes applicable revenue earned under the applicable capacity purchase contracts attributed to the ownership of new aircraft acquired through the issuance of debt and the respective depreciation and interest expense of such aircraft. The SkyWest Leasing segment also includes the activity of leasing regional jet aircraft and spare engines to third parties. The SkyWest Leasing segment’s total assets and capital expenditures include new aircraft acquired through the issuance of debt and assets leased to third parties. ​ The following represents the Company’s segment data for the years ended December 31, 2020, 2019 and 2018 (in thousands).
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended December 31, 2020
​ | ​ | ​ | SkyWest | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Airlines | ​ | ​ | SkyWest Leasing | ​ | ​ | Consolidated | ​
Operating revenues | ​ | $ | 1,636,762 | ​ | $ | 490,344 | ​ | $ | 2,127,106 | ​
Operating expense | ​ |  | 1,716,808 | ​ | ​ | 301,496 | ​ | ​ | 2,018,304 | ​
Depreciation and amortization expense | ​ |  | 221,216 | ​ |  | 253,743 | ​ |  | 474,959 | ​
Interest expense | ​ |  | 12,381 | ​ |  | 110,792 | ​ |  | 123,173 | ​
Segment profit (loss) (1) | ​ |  | (92,427) | ​ |  | 78,056 | ​ |  | (14,371) | ​
Total assets | ​ |  | 2,804,259 | ​ |  | 4,083,363 | ​ |  | 6,887,622 | ​
Capital expenditures (including non-cash) | ​ |  | 124,825 | ​ |  | 335,658 | ​ |  | 460,483 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended December 31, 2019 |
​ | ​ | ​ | SkyWest | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ | Airlines | ​ | ​ | ExpressJet | ​ | ​ | SkyWest Leasing | ​ | ​ | Consolidated |
Operating revenues | ​ | $ | 2,478,681 | ​ | $ | 24,050 | ​ | $ | 469,232 | ​ | $ | 2,971,963 | ​
Operating expense | ​ |  | 2,214,632 | ​ | ​ | 28,690 | ​ | ​ | 216,383 | ​ |  | 2,459,705 | ​
Depreciation and amortization expense | ​ |  | 168,246 | ​ |  | 971 | ​ |  | 198,881 | ​ |  | 368,098 | ​
Special items | ​ | ​ | 18,508 | ​ | ​ | 3,361 | ​ | ​ | — | ​ | ​ | 21,869 | ​
Interest expense | ​ |  | 13,525 | ​ |  | — | ​ |  | 114,230 | ​ |  | 127,755 | ​
Segment profit (loss) (1) | ​ |  | 250,524 | ​ |  | (4,640) | ​ |  | 138,619 | ​ |  | 384,503 | ​
Total assets | ​ |  | 2,728,964 | ​ |  | — | ​ |  | 3,928,165 | ​ |  | 6,657,129 | ​
Capital expenditures (including non-cash) | ​ |  | 270,191 | ​ |  | — | ​ |  | 576,279 | ​ |  | 846,470 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended December 31, 2018 | ​
​ | ​ | ​ | SkyWest | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ | Airlines | ​ | ​ | ExpressJet | ​ | ​ | SkyWest Leasing | ​ | ​ | Consolidated |
Operating revenues | ​ | $ | 2,346,251 | ​ | $ | 564,202 | ​ | $ | 311,226 | ​ | $ | 3,221,679 | ​
Operating expense | ​ |  | 2,022,560 | ​ | ​ | 577,608 | ​ | ​ | 147,231 | ​ |  | 2,747,399 | ​
Depreciation and amortization expense | ​ |  | 155,511 | ​ |  | 37,290 | ​ |  | 141,788 | ​ |  | 334,589 | ​
Interest expense | ​ |  | 17,021 | ​ |  | 2,340 | ​ |  | 101,048 | ​ |  | 120,409 | ​
Segment profit (loss) (1) | ​ |  | 306,670 | ​ |  | (15,746) | ​ |  | 62,947 | ​ |  | 353,871 | ​
Total assets | ​ |  | 2,531,707 | ​ |  | 279,303 | ​ |  | 3,502,202 | ​ |  | 6,313,212 | ​
Capital expenditures (including non-cash) | ​ |  | 149,731 | ​ |  | 10,137 | ​ |  | 996,408 | ​ |  | 1,156,276 | ​
(1) | Segment profit is operating income less interest expense

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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