<ARTICLE> 5 <LEGEND> EXHIBIT 27 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM DELTA AIR LINES, INC. FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE RELATED FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> JUN-30-2000 <PERIOD-START> JUL-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 1,511 <SECURITIES> 93 <RECEIVABLES> 1,016 <ALLOWANCES> (32) <INVENTORY> 74 <CURRENT-ASSETS> 3,536 <PP&E> 18,743 <DEPRECIATION> 6,930 <TOTAL-ASSETS> 17,417 <CURRENT-LIABILITIES> 5,373 <BONDS> 3,156 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 270 <OTHER-SE> 4,197 <TOTAL-LIABILITY-AND-EQUITY> 17,417 <SALES> 0 <TOTAL-REVENUES> 3,877 <CGS> 0 <TOTAL-COSTS> 3,527 <OTHER-EXPENSES> 299 <LOSS-PROVISION> 4 <INTEREST-EXPENSE> 66 <INCOME-PRETAX> 583 <INCOME-TAX> 231 <INCOME-CONTINUING> 352 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 352 <EPS-BASIC> 2.53 <EPS-DILUTED> 2.38