<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM DELTA AIR
LINES, INC. FORM 10-Q FOR THE QUARTER ENDED DECEMBER 31, 1999 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO THE RELATED FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-2000
<PERIOD-START>                             JUL-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                           1,664
<SECURITIES>                                       653
<RECEIVABLES>                                      529
<ALLOWANCES>                                       (37)
<INVENTORY>                                        106
<CURRENT-ASSETS>                                 3,890
<PP&E>                                          20,057
<DEPRECIATION>                                   7,486
<TOTAL-ASSETS>                                  19,874
<CURRENT-LIABILITIES>                            5,448
<BONDS>                                          5,015
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           270
<OTHER-SE>                                       4,715
<TOTAL-LIABILITY-AND-EQUITY>                    19,871
<SALES>                                              0
<TOTAL-REVENUES>                                 7,590
<CGS>                                                0
<TOTAL-COSTS>                                    7,233
<OTHER-EXPENSES>                                   948
<LOSS-PROVISION>                                     7
<INTEREST-EXPENSE>                                 143
<INCOME-PRETAX>                                  1,162
<INCOME-TAX>                                       458
<INCOME-CONTINUING>                                704
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       704
<EPS-BASIC>                                       5.15
<EPS-DILUTED>                                     4.88