<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