Exhibit 99.1 DELTA AIR LINES, INC. CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited; In Millions, Except Share Data) Three Months Ended September 30, ------------- 1998 1997 Operating Revenues: Passenger $3,487 $3,260 Cargo 139 143 Other, net 176 150 ------ ------ Total operating revenues 3,802 3,553 Operating Expenses: Salaries and related costs 1,237 1,204 Aircraft fuel 339 409 Passenger commissions 252 266 Depreciation and amortization 218 198 Other selling expenses 196 164 Contracted services 183 172 Landing fees and other rents 179 169 Aircraft rent 145 137 Aircraft maintenance mat'ls and outside repairs 143 124 Passenger service 133 111 Other 225 168 ------ ------ Total operating expenses 3,250 3,122 ------ ------ Operating Income 552 431 ------ ------ Other Income (Expense): Interest expense (49) (50) Interest capitalized 10 9 Interest income 22 17 Miscellaneous income, net 3 11 ------ ------ (14) (13) ------ ------ Income Before Income Taxes 538 418 Income Taxes Provided, Net (211) (164) ------ ------ (Continued) -1- Three Months Ended September 30, ------------- 1998 1997 Net Income 327 254 Preferred Stock Dividends (3) (3) ------ ------ Net Income Available To Common Shareowners $ 324 $ 251 ------ ------ ------ ------ Basic Income Per Common Share $ 4.38 $ 3.41 ------ ------ ------ ------ Diluted Income Per Common Share $ 4.16 $3.26 ------ ------ ------ ------ Operating Margin 14.5% 12.1% Weighted Average Shares Used In Per Share Computation: Basic (000) 73,965 73,717 Diluted (000) 78,356 77,299 -2- Three Months Ended September 30, ------------- 1998 1997 STATISTICAL SUMMARY: Revenue Psgr Miles (millions) 28,113 26,585 Available Seat Miles (millions) 36,673 35,683 Passenger Mile Yield (cents) 12.40 12.26 Operating Revenue Per Available Seat Mile (cents) 10.37 9.96 Operating Cost Per Available Seat Mile (cents) 8.86 8.75 Passenger Load Factor (percent) 76.66 74.50 Breakeven Passenger Load Factor (percent) 64.52 64.66 Revenue Ton Miles (millions) 3,229 3,073 Cargo Ton Miles (millions) 418 415 Cargo Ton Mile Yield (cents) 33.27 34.29 Fuel Gallons Consumed (millions) 703 682 Average Price Per Fuel Gallon (cents) 48.21 59.91 Number of Aircraft in Fleet at End of Period 578 558 Average Full-Time Equivalent Employees 71,000 65,800 -3-