UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 

SCHEDULE 13G 

Under the Securities Exchange Act of 1934 

(Amendment No. )* 

Alaska Air Group, Inc. 
(Name of Issuer) 

Common Stock 
(Title of Class of Securities) 

011659109 
(CUSIP Number) 

December 31, 2003 
(Date of Event Which Requires Filing of this Statement) 

Check the appropriate box to designate the rule pursuant to which this 
Schedule is filed: 
[X] Rule 13d-1(b) 
[ ] Rule 13d-1(c) 
[ ] Rule 13d-1(d) 

*The remainder of this cover page shall be filled out for a reporting 
person's initial filing on this form with respect to the subject class 
of securities, and for any subsequent amendment containing information 
which would alter the disclosures provided in a prior cover page. 

The information required in the remainder of this cover page shall not 
be deemed to be "filed" for the purpose of Section 18 of the Securities 
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of 
that section of the Act but shall be subject to all other provisions of 
the Act (however, see the Notes). 

CUSIP: 011659109                                                Page 1 of 7 

1   NAMES OF REPORTING PERSONS 
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) 
Capital Group International, Inc. 
95-4154357 

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE          
INSTRUCTIONS)                                                 (a)     

(b)     

3   SEC USE ONLY 

4   CITIZENSHIP OR PLACE OF ORGANIZATION 

California 

5   SOLE VOTING POWER 

1,285,800 

6   SHARED VOTING POWER 
NUMBER OF 

SHARES 
NONE 
BENEFICIALL

Y OWNED BY 
7   SOLE DISPOSITIVE POWER 
EACH 

REPORTING 
1,981,720 
PERSON 
WITH: 
8   SHARED DISPOSITIVE POWER 

NONE 

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 

1,981,720     Beneficial ownership disclaimed pursuant to Rule 13d-4  

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 
(SEE INSTRUCTIONS) 

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 

7.4% 

12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) 

HC   

CUSIP: 011659109                                                Page 2 of 7 

1   NAMES OF REPORTING PERSONS 
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) 
Capital Guardian Trust Company 
95-2553868 

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE          
INSTRUCTIONS)                                                 (a)     

(b)     

3   SEC USE ONLY 

4   CITIZENSHIP OR PLACE OF ORGANIZATION 

California 

5   SOLE VOTING POWER 

1,265,400 

6   SHARED VOTING POWER 
NUMBER OF 

SHARES 
NONE 
BENEFICIALL

Y OWNED BY 
7   SOLE DISPOSITIVE POWER 
EACH 

REPORTING 
1,961,320 
PERSON 
WITH: 
8   SHARED DISPOSITIVE POWER 

NONE 

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 

1,961,320     Beneficial ownership disclaimed pursuant to Rule 13d-4  

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 
(SEE INSTRUCTIONS) 

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 

7.3% 

12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) 

IA  BK 

CUSIP: 011659109                                                Page 3 of 7 

SECURITIES AND EXCHANGE COMMISSION 
Washington, DC 20549 

Schedule 13G 
Under the Securities Exchange Act of 1934 

Amendment No.  

Item 1(a)     Name of Issuer: 
Alaska Air Group, Inc. 

Item 1(b)     Address of Issuer's Principal Executive Offices: 
19300 Pacific Highway South 
Seattle WA  98188 

Item 2(a)     Name of Person(s) Filing: 
Capital Group International, Inc. and Capital Guardian Trust 
Company 

Item 2(b)     Address of Principal Business Office or, if none, 
Residence: 
11100 Santa Monica Blvd. 
Los Angeles, CA  90025 

Item 2(c)     Citizenship:   N/A 

Item 2(d)     Title of Class of Securities: 
Common Stock 

Item 2(e)     CUSIP Number: 
011659109 

Item 3     If this statement is filed pursuant to sections 240.13d-1(b) 
or 240.13d-2(b) or (c), check whether the person filing is a:  
(b)     [X]     Bank as defined in section 3(a)(6) of the Act 
(15 U.S.C. 78c). 
(e)      [X]     An investment adviser in accordance with 
section 240.13d-1(b)(1)(ii)(E). 
(g)     [X]     A parent holding company or control person in 
accordance with section 240.13d-1(b)(1)(ii)(G). 

Item 4     Ownership 

Provide the following information regarding the aggregate 
number and percentage of the class of securities of the issuer 
identified in Item 1. 

See pages 2 and 3 

(a)    Amount beneficially owned: 
(b)    Percent of class: 
(c)    Number of shares as to which the person has: 
(i)    Sole power to vote or to direct the vote: 
(ii)   Shared power to vote or to direct the vote: 
(iii)  Sole power to dispose or to direct the disposition of: 
(iv)   Shared power to dispose or to direct the disposition of: 

CUSIP: 011659109                                                Page 4 of 7 

Capital Group International, Inc. ("CGII") is the parent 
holding company of a group of investment management companies 
that hold investment power and, in some cases, voting power 
over the securities reported in this Schedule 13G.  The 
investment management companies, which include a "bank" as 
defined in Section 3(a)(6) of the Securities Exchange Act of 
1934 (the "Act") and several investment advisers registered 
under Section 203 of the Investment Advisers Act of 1940, 
provide investment advisory and management services for their 
respective clients which include registered investment 
companies and institutional accounts.  CGII does not have 
investment power or voting power over any of the securities 
reported herein.  However, by virtue of Rule 13d-3 under the 
Act, CGII may be deemed to "beneficially own" 1,981,720 shares 
or 7.4% of the 26,770,620 shares of  Common Stock believed to 
be outstanding. 

Capital Guardian Trust Company, a bank as defined in Section 
3(a)(6) of the Act is deemed to be the beneficial owner of 
1,961,320 shares or 7.3% of the 26,770,620 shares of Common 
Stock believed to be outstanding as a result of its serving as 
the investment manager of various institutional accounts. 

Shares reported by Capital Group International, Inc. include 
62,620 shares resulting from the assumed conversion of 
$1,628,000 principal amount of the 3.64% Convertible Security, 
due 3/21/23. 

Item 5     Ownership of Five Percent or Less of a Class.  If this 
statement is being filed to report the fact that as of the date 
hereof the reporting person has ceased to be the beneficial 
owner of more than five percent of the class of securities, 
check the following: [ ] 

Item 6     Ownership of More than Five Percent on Behalf of Another 
Person: N/A 

Item 7     Identification and Classification of the Subsidiary Which 
Acquired the Security Being Reported on By the Parent Holding 
Company or Control Person. 

1. Capital Guardian Trust Company is a bank as defined in 
Section 3(a)(6) of the Act and an investment adviser 
registered under Section 203 of the Investment Adviser Act of 
1940, and a wholly owned subsidiary of Capital Group 
International, Inc. 

2. Capital International S.A. (CISA) does not fall within any of 
the categories described in Rule 13d-1(b)(ii)(A-F) but its 
holdings of any reported securities come within the five 
percent limitation as set forth in a December 15, 1986 no-
action letter from the Staff of the Securities and Exchange 
Commission to The Capital Group Companies, Inc. CISA is a 
wholly owned subsidiary of Capital Group International, Inc. 

CUSIP: 011659109                                                Page 5 of 7 

3. Capital International Research and Management, Inc. dba 
Capital International, Inc. is an investment adviser 
registered under Section 203 of the Investment Advisers Act 
of 1940 and is a wholly owned subsidiary of Capital Group 
International, Inc. 

Item 8     Identification and Classification of Members of the Group:  
N/A 

Item 9     Notice of Dissolution of Group:  N/A 

Item 10     Certification 

By signing below, I certify that, to the best of my knowledge 
and belief, the securities referred to above were acquired and 
are held in the ordinary course of business and were not 
acquired and are not held for the purpose of or with the effect 
of changing or influencing the control of the issuer of the 
securities and were not acquired and are not held in connection 
with or as a participant in any transaction having that purpose 
or effect. 

Signature 

After reasonable inquiry and to the best of my knowledge and 
belief, I certify that the information set forth in this 
statement is true, complete and correct. 

Date:          February 10, 2004 

Signature:     *David I. Fisher 
Name/Title:    David I. Fisher, Chairman 
Capital Group International, Inc. 

Date:          February 10, 2004 

Signature:     *David I. Fisher 
Name/Title:    David I. Fisher, Chairman 
Capital Guardian Trust Company 

*By    /s/ Kenneth R. Gorvetzian 
Kenneth R. Gorvetzian 
Attorney-in-fact 

Signed pursuant to a Power of Attorney dated January 30, 
2003 included as an Exhibit to Schedule 13G filed with 
the Securities and Exchange Commission by Capital Group 
International, Inc. on February 10, 2003 with respect to 
Acclaim Entertainment Inc. 

CUSIP: 011659109                                                Page 6 of 7 

AGREEMENT 

Los Angeles, CA 
February 10, 2004 

Capital Group International, Inc. ("CGII") and Capital Guardian 
Trust Company ("CGTC") hereby agree to file a joint statement on 
Schedule 13G under the Securities Exchange Act of 1934 (the "Act") in 
connection with their beneficial ownership of Common Stock issued by 
Alaska Air Group, Inc. 

CGII and CGTC state that they are each entitled to individually use 
Schedule 13G pursuant to Rule 13d-1(c) of the Act. 

CGII and CGTC are each responsible for the timely filing of the 
statement and any amendments thereto, and for the completeness and 
accuracy of the information concerning each of them contained therein 
but are not responsible for the completeness or accuracy of the 
information concerning the others. 

CAPITAL GROUP INTERNATIONAL, INC. 

BY:              *David I. Fisher 
David I. Fisher, Chairman 
Capital Group International, 
Inc. 

CAPITAL GUARDIAN TRUST COMPANY 

BY:              *David I. Fisher 
David I. Fisher, Chairman 
Capital Guardian Trust Company 

*By  /s/ Kenneth R. Gorvetzian 
Kenneth R. Gorvetzian 
Attorney-in-fact 

Signed pursuant to a Power of Attorney dated January 30, 2003 
included as an Exhibit to Schedule 13G filed with the Securities 
and Exchange Commission by Capital Group International, Inc. on 
February 10, 2003 with respect to Acclaim Entertainment Inc. 

CUSIP: 011659109                                                Page 7 of 7