<ARTICLE>  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED 
FROM UAL CORPORATION'S STATEMENT OF CONSOLIDATED OPERATIONS FOR 
THE THREE MONTHS ENDED MARCH 31, 1999 AND CONDENSED STATEMENT OF 
CONSOLIDATED FINANCIAL POSITION AS OF MARCH 31, 1999 AND IS 
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
<MULTIPLIER>  1,000,000
       

<FISCAL-YEAR-END>                             DEC-31-1999
<PERIOD-START>                                JAN-01-1999
<PERIOD-END>                                  MAR-31-1999
<PERIOD-TYPE>                                       3-MOS
<CASH>                                                256
<SECURITIES>                                          383
<RECEIVABLES>                                       1,134
<ALLOWANCES>                                            0
<INVENTORY>                                           294
<CURRENT-ASSETS>                                    2,633
<PP&E>                                             19,419
<DEPRECIATION>                                      5,670
<TOTAL-ASSETS>                                     19,071
<CURRENT-LIABILITIES>                               5,752
<BONDS>                                             5,109
<PREFERRED-MANDATORY>                                 100
<PREFERRED>                                             0
<COMMON>                                                1
<OTHER-SE>                                          3,466
<TOTAL-LIABILITY-AND-EQUITY>                       19,071
<SALES>                                                 0
<TOTAL-REVENUES>                                    4,160
<CGS>                                                   0
<TOTAL-COSTS>                                       4,014
<OTHER-EXPENSES>                                        0
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                     92
<INCOME-PRETAX>                                       123
<INCOME-TAX>                                           44
<INCOME-CONTINUING>                                    78
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                           78
<EPS-PRIMARY>                                        0.91
<EPS-DILUTED>                                        0.44