Note 6  Segment Reporting  Prior to the Companys sale of ExpressJet on January 22, 2019, the Companys 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.  The Companys chief operating decision maker analyzes the profitability of operating new aircraft financed through the issuance of debt, including the Companys E175 fleet, separately from the profitability of the Companys capital deployed for ownership and financing of such aircraft. The SkyWest Airlines segment includes revenue earned under the applicable capacity purchase agreements attributed to operating such aircraft and the respective operating costs. The SkyWest Leasing segment includes applicable revenue earned under the applicable capacity purchase agreements 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 segments total assets and capital expenditures include new aircraft acquired through the issuance of debt and assets leased to third parties.  The following represents the Companys segment data for the three-month periods ended June 30, 2020 and 2019 (in thousands):               Three months ended June 30, 2020    SkyWest  SkyWest    Airlines Leasing Consolidated Operating revenues (1)  $ 227,808  $ 122,231  $ 350,039  Operating expense  275,869  78,573  354,442  Depreciation and amortization expense  59,421  72,217  131,638  Interest expense  3,438  27,488  30,926  Segment profit (loss) (2)  (51,499)  16,170  (35,329)  Total assets (as of June 30, 2020)  2,789,321   3,984,062  6,773,383  Capital expenditures (including non-cash)  29,247   43,013  72,260                Three months ended June 30, 2019   SkyWest  SkyWest    Airlines Leasing Consolidated Operating revenues (1)  $ 627,088  $ 117,295  $ 744,383  Operating expense  545,419  54,871  600,290  Depreciation and amortization expense  40,641  49,507  90,148  Interest expense  3,716  29,054  32,770  Segment profit (2)  77,953  33,370  111,323  Total assets (as of June 30, 2019)  2,738,868   3,841,151  6,580,019  Capital expenditures (including non-cash)  47,975   87,687  135,662   (1) Prorate revenue and airport customer service revenue are primarily reflected in the SkyWest Airlines segment. (2) Segment profit (loss) is equal to operating income less interest expense.  The following represents the Companys segment data for the six-month periods ended June 30, 2020 and 2019 (in thousands):               Six months ended June 30, 2020    SkyWest  SkyWest    Airlines Leasing Consolidated Operating revenues (1)  $ 834,650  $ 245,325  $ 1,079,975  Operating expense  870,010  148,047  1,018,057  Depreciation and amortization expense  111,197  132,149  243,346  Interest expense  5,979  55,151  61,130  Segment profit (loss) (2)  (41,339)  42,127  788  Total assets (as of June 30, 2020)  2,789,321  3,984,062  6,773,383  Capital expenditures (including non-cash)  68,126  115,258  183,384                   Six months ended June 30, 2019    SkyWest    SkyWest    Airlines ExpressJet Leasing Consolidated Operating revenues (1)  $ 1,212,856  $ 24,050  $ 231,171  $ 1,468,077  Operating expense  1,091,320  28,690  107,555  1,227,565  Depreciation and amortization expense  80,694  971  98,469  180,134  Special Items   18,508   3,361      21,869  Interest expense  7,534    57,744  65,278  Segment profit (loss) (2)  114,002  (4,640)  65,872  175,234  Total assets (as of June 30, 2019)  2,738,868    3,841,151  6,580,019  Capital expenditures (including non-cash)  116,625    433,616  550,241   (1) Prorate revenue and airport customer service revenue are primarily reflected in the SkyWest Airlines segment. (2) Segment profit (loss) is equal to operating income less interest expense.