United Airlines 2007 Annual Report Download - page 1

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2007
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to
Commission
File Number
Exact Name of Registrant as Specified in its Charter, Principal Office Address and
Telephone Number
State of
Incorporation
I.R.S. Employer
Identification No
001-06033
001-11355
UAL Corporation
United Air Lines, Inc.
77 W. Wacker Drive
Chicago, Illinois 60601
[phone]
Delaware
Delaware
36-2675207
36-2675206
Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class Name of Each Exchange on Which Registered
UAL Corporation Common Stock, $.01 par value NASDAQ Global Select Market
United Air Lines, Inc. None None
Securities registered pursuant to Section 12 (g) of the Act:
UAL Corporation None
United Air Lines, Inc. None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.
UAL Corporation Yes No
United Air Lines, Inc. Yes No
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.
UAL Corporation Yes No
United Air Lines, Inc. Yes No
Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or
for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.
UAL Corporation Yes No
United Air Lines, Inc. Yes No
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of Registrant's knowledge, in
definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.
UAL Corporation 
United Air Lines, Inc. 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):
UAL Corporation Large accelerated filer  Accelerated filer  Non-accelerated filer  Smaller reporting company 
United Air Lines, Inc. Large accelerated filer  Accelerated filer  Non-accelerated filer  Smaller reporting company 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).
UAL Corporation Yes No
United Air Lines, Inc. Yes No
The aggregate market value of voting stock held by non-affiliates of UAL Corporation was $4,646,737,396 as of June 29, 2007. There is no market for United Air Lines, Inc. common
stock.
Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the
Source: UNITED AIR LINES INC, 10-K, February 29, 2008