UNITED AIR LINES, INC.

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

FY: Dec 31 2010

Q: Sep 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

Q: Sep 30 2008

Q: Jun 30 2008

1.01,2.01,2.03,5.03,9.01

7.01,9.01

1.01,1.02,2.03,9.01

8.01,9.01

7.01,9.01

8.01,9.01

2.02,7.01,9.01

2.02,9.01

8.01,9.01

1.01,2.03,9.01

7.01,9.01

8.01,9.01

8.01,9.01

Results of Operations and Financial Condition

8.01,9.01

7.01,9.01

7.01,9.01

Other Events

Regulation FD Disclosure

Regulation FD Disclosure

No description available

Automatic Shelf Registration

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Automatic Shelf Registration

Additional Information for Proxy Statement/ Votes

No description available

No description available

United Continental Holdings, Inc.;UNITED AIR LINES INC

UNITED AIR LINES INC

UNITED AIR LINES INC

UAL CORP /DE/; UNITED AIR LINES INC

HMC INVESTORS LLC

UAL CORP /DE/;UNITED AIR LINES INC

HMC INVESTORS LLC

UNITED AIR LINES INC

UNITED AIR LINES INC

UNITED AIR LINES INC

UNITED AIR LINES INC

UNITED AIR LINES INC

UNITED AIR LINES INC

No description available

Post-effective amendment to an automatic shelf registration statement

No description available

For applications for qualification of indentures under the Trust Indenture Act of 1939

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

No description available

Annual Report Scanned (Paper)

No description available

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Definitive information statement