About United

United Airlines (Nasdaq: UAUA) operates more than 3,200* flights a day on United, United Express and Ted to more than 200 U.S. domestic and international destinations from its hubs in Los Angeles, San Francisco, Denver, Chicago and Washington, D.C. With key global air rights in the Asia- Pacific region, Europe and Latin America, United is one of the largest international carriers based in the United States. United also is a founding member of Star Alliance, which provides connections for our customers to 965 destinations in 162 countries worldwide. United's 55,000 employees reside in every U.S. state and in many countries around the world. News releases and other information about United can be found at the company's Web site at united.com.

* Based on the flight schedule between Jan. 1, 2008 and Dec. 31, 2008.

                                     2008            2007            YOY
                                      May             May           Change
    SCHEDULED SERVICE ONLY:
    REVENUE MILES FLOWN (000)        62,923          64,130         -1.9%

    ACTUAL NUMBER OF DEPARTURES      45,223          47,287         -4.4%

    REVENUE PASSENGERS BOARDED (000)  5,657           6,062         -6.7%

    REVENUE PASSENGER MILES
     (000):
    NORTH AMERICA                 5,699,686       6,150,764         -7.3%
    PACIFIC                       2,140,598       2,215,416         -3.4%
    ATLANTIC                      1,667,491       1,556,173          7.2%
    LATIN AMERICA                   288,660         287,489          0.4%
    SYSTEM                        9,796,435      10,209,842         -4.1%

    AVAILABLE SEAT MILES (000):
    NORTH AMERICA                 6,756,266       7,151,689         -5.5%
    PACIFIC                       2,732,049       2,727,272          0.2%
    ATLANTIC                      2,015,139       1,819,012         10.8%
    LATIN AMERICA                   361,646         367,574         -1.6%
    SYSTEM                       11,865,100      12,065,547         -1.7%

    PASSENGER LOAD FACTOR
     (PERCENT):
    NORTH AMERICA                      84.4            86.0      -1.6 pts
    PACIFIC                            78.4            81.2      -2.8 pts
    ATLANTIC                           82.7            85.6      -2.9 pts
    LATIN AMERICA                      79.8            78.2       1.6 pts
    SYSTEM                             82.6            84.6      -2.0 pts

    CARGO TON MILES (000):
    FREIGHT                         155,308         149,034          4.2%
    MAIL                             23,122          17,427         32.7%
    SYSTEM                          178,430         166,461          7.2%



    TOTAL SYSTEM INCLUDING
     CHARTER (000):
    REVENUE PASSENGER MILES       9,810,411      10,210,328         -3.9%

    AVAILABLE SEAT MILES         11,888,098      12,067,447         -1.5%

    REVENUE PSGR. KM.            15,787,894      16,431,481         -3.9%
    AVAILABLE SEAT KM.           19,131,516      19,420,142         -1.5%

    TOTAL REVENUE TON MILES       1,159,498       1,187,488         -2.4%
    TOTAL AVAIL. TON MILES        1,768,069       1,940,060         -8.9%

    TOTAL REV. TON KM.            1,681,457       1,721,870         -2.4%
    TOTAL AVAIL. TON KM.          2,581,381       2,832,488         -8.9%



                                YEAR TO DATE    YEAR TO DATE         YOY
                                    2008            2007            Change
    SCHEDULED SERVICE ONLY:
    REVENUE MILES FLOWN (000)       307,533         311,693         -1.3%

    ACTUAL NUMBER OF DEPARTURES     218,865         229,199         -4.5%

    REVENUE PASSENGERS BOARDED
     (000)                           26,318          28,311         -7.0%

    REVENUE PASSENGER MILES
     (000):
    NORTH AMERICA                26,496,203      28,890,943         -8.3%
    PACIFIC                      10,443,960      10,621,066         -1.7%
    ATLANTIC                      7,243,436       6,507,039         11.3%
    LATIN AMERICA                 1,804,365       1,808,546         -0.2%
    SYSTEM                       45,987,964      47,827,594         -3.8%

    AVAILABLE SEAT MILES (000):
    NORTH AMERICA                32,794,154      34,972,487         -6.2%
    PACIFIC                      13,503,939      13,058,727          3.4%
    ATLANTIC                      9,314,463       8,070,256         15.4%
    LATIN AMERICA                 2,272,811       2,251,194          1.0%
    SYSTEM                       57,885,367      58,352,664         -0.8%

    PASSENGER LOAD FACTOR
     (PERCENT):
    NORTH AMERICA                      80.8            82.6      -1.8 pts
    PACIFIC                            77.3            81.3      -4.0 pts
    ATLANTIC                           77.8            80.6      -2.8 pts
    LATIN AMERICA                      79.4            80.3      -0.9 pts
    SYSTEM                             79.4            82.0      -2.6 pts

    CARGO TON MILES (000):
    FREIGHT                         736,280         718,964          2.4%
    MAIL                            110,350          81,237         35.8%
    SYSTEM                          846,630         800,201          5.8%

    TOTAL SYSTEM INCLUDING
     CHARTER (000):
    REVENUE PASSENGER MILES      46,014,115      47,833,932         -3.8%

    AVAILABLE SEAT MILES         57,938,634      58,371,046         -0.7%

    REVENUE PSGR. KM.            74,050,515      76,979,147         -3.8%
    AVAILABLE SEAT KM.           93,240,644      93,936,524         -0.7%

    TOTAL REVENUE TON MILES       5,448,067       5,583,589         -2.4%
    TOTAL AVAIL. TON MILES        9,203,466       9,325,371         -1.3%

    TOTAL REV. TON KM.            7,900,667       8,096,419         -2.4%
    TOTAL AVAIL. TON KM.         13,437,060      13,615,042         -1.3%

SOURCE United Airlines