EXHIBIT 32.2

      CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
      PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Annual Report of Alaska Air Group, Inc. (the
      "Company") on Form 10-K for the period ended December 31, 2004 as filed
      with the Securities and Exchange Commission on the date hereof (the
      "Report"), I, Bradley D. Tilden, Chief Financial Officer of the Company,
      certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
      Section 906 of the Sarbanes-Oxley Act of 2002, that:

            (1)   The Report fully complies with the requirements of Section
      13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

            (2)   The information contained in the Report fairly presents, in
      all material respects, the financial condition and results of operations
      of the Company.

By  /s/ Bradley D. Tilden
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Bradley D. Tilden
Chief Financial Officer
February 22, 2005