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BASIS OF PRESENTATION | 6 Months Ended
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Jun. 30, 2015
Accounting Policies [Abstract] |
BASIS OF PRESENTATION | BASIS OF PRESENTATION Southwest Airlines Co. (the “Company”) operates Southwest Airlines, a major domestic airline. The unaudited Condensed Consolidated Financial Statements include accounts of the Company and its wholly owned subsidiaries, which include AirTran Holdings, LLC, the parent company of AirTran Airways, Inc. (“AirTran Airways”). On May 2, 2011 (the “acquisition date”), the Company acquired all of the outstanding equity of AirTran Holdings, Inc. (“AirTran Holdings”), the former parent company of AirTran Airways. Throughout this Form 10-Q, the Company makes reference to AirTran, which is meant to be inclusive of the following: (i) for periods prior to the acquisition date, AirTran Holdings and its subsidiaries, including, among others, AirTran Airways; and (ii) for periods on and after the acquisition date, AirTran Holdings, LLC, the successor to AirTran Holdings, and its subsidiaries, including among others, AirTran Airways. AirTran's final passenger service was on December 28, 2014. Although the vast majority of integration costs were incurred in periods prior to 2015, the Company continues to incur costs associated with the integration of AirTran, and those costs are included in Acquisition and integration costs in the accompanying unaudited Condensed Consolidated Statement of Comprehensive Income. The accompanying unaudited Condensed Consolidated Financial Statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles in the United States (“GAAP”) for complete financial statements. The unaudited Condensed Consolidated Financial Statements for the interim periods ended June 30, 2015 and 2014 include all adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the interim periods. This includes all normal and recurring adjustments and elimination of significant intercompany transactions. Financial results for the Company and airlines in general can be seasonal in nature. In many years, the Company's revenues, as well as its operating income and net income, have been better in its second and third fiscal quarters than in its first and fourth fiscal quarters. Air travel is also significantly impacted by general economic conditions, the amount of disposable income available to consumers, unemployment levels, corporate travel budgets, and other factors beyond the Company's control. These and other factors, such as the price of jet fuel in some periods, the nature of the Company's fuel hedging program, the periodic volatility of commodities used by the Company for hedging jet fuel, and the requirements related to hedge accounting, have created, and may continue to create, significant volatility in the Company's financial results. See Note 3 for further information on fuel and the Company's hedging program. Operating results for the three and six months ended June 30, 2015, are not necessarily indicative of the results that may be expected for future quarters or for the year ended December 31, 2015. For further information, refer to the Consolidated Financial Statements and footnotes thereto included in the Southwest Airlines Co. Annual Report on Form 10-K for the year ended December 31, 2014. During fourth quarter 2014, the Company increased the amount of spoilage recorded associated with frequent flyer points sold to business partners as a result of continued monitoring of Rapid Rewards Member ("Member") redemption activity and behavior under its Rapid Rewards program. Based on a sufficient amount of historical data and Member attributes observed since the new program was launched in 2011, the Company developed a predictive statistical model to analyze the amount of spoilage expected. In estimating spoilage, the Company takes into account the Member’s past behavior, as well as several factors that are expected to be indicative of the likelihood of future point redemption. These factors include, but are not limited to, tenure with program, points accrued in the program, and whether or not the Customer has a co-branded credit card. This change in estimate, which was recorded on a prospective basis, effective October 1, 2014, increased Passenger revenues by approximately $41 million for the three months ended June 30, 2015 and $85 million for the six months ended June 30, 2015. After consideration of profitsharing and taxes, the impact of this change to net income was an increase of $22 million, or $0.03 per Basic and Diluted share, for the three months ended June 30, 2015, and $45 million, or $0.07 per Basic and Diluted share, for the six months ended June 30, 2015. The current spoilage rate will also be applied in third quarter 2015; however, the precise revenue impact will not be determinable until the actual number of point redemptions for the period is known. The Company will continue to monitor all factors that influence spoilage and Member behavior in order to determine its best estimate of expected spoilage. Certain prior period amounts have been reclassified to conform to the current presentation. In the Consolidated Statement of Cash Flows for the three and six months ended June 30, 2014, the Company has reclassified $19 million and $31 million, respectively, from Capital expenditures to Assets constructed for others. See Note 7 for further information.

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