United Airlines 2010 Annual Report Download - page 217

Exhibit 31.4
Certification of the Principal Financial Officer
Pursuant to 15 U.S.C. 78m(a) or 78o(d)
(Section 302 of the Sarbanes-Oxley Act of 2002)
I, Zane C. Rowe, certify that:
(1) I have reviewed this annual report on Form 10-K for the period ended December 31, 2010 of United
Air Lines, Inc. (the “Company”);
(2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to
state a material fact necessary to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period covered by this report;
(3) Based on my knowledge, the financial statements, and other financial information included in this
report, fairly present in all material respects the financial condition, results of operations and cash
flows of the Company as of, and for, the periods presented in this report;
(4) The Company’s other certifying officer and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
the Company and have:
(a) Designed such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material information relating to
the Company, including its consolidated subsidiaries, is made known to us by others within those
entities, particularly during the period in which this report is being prepared;
(b) Designed such internal control over financial reporting, or caused such internal control over
financial reporting to be designed under our supervision, to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;
(c) Evaluated the effectiveness of the Company’s disclosure controls and procedures and presented in
this report our conclusions about the effectiveness of the disclosure controls and procedures, as of
the end of the period covered by this report based on such evaluation; and
(d) Disclosed in this report any change in the Company’s internal control over financial reporting that
occurred during the Company’s most recent fiscal quarter that has materially affected, or is
reasonably likely to materially affect, the Company’s internal control over financial reporting; and
(5) The Company’s other certifying officer and I have disclosed, based on our most recent evaluation of
internal control over financial reporting, to the Company’s auditors and the audit committee of the
Company’s board of directors (or persons performing the equivalent functions):
(a) All significant deficiencies and material weaknesses in the design or operation of internal control
over financial reporting which are reasonably likely to adversely affect the Company’s ability to
record, process, summarize and report financial information; and
(b) Any fraud, whether or not material, that involves management or other employees who have a
significant role in the Company’s internal control over financial reporting.
/s/ Zane C. Rowe
Zane C. Rowe
Executive Vice President and
Chief Financial Officer
Date: February 22, 2011