SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

SULLIVAN JAMES W JR

(Last)

(First)

(Middle)

7001 TOWER RD.

(Street)

DENVER

80249

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2004

3. Issuer Name and Ticker or Trading Symbol
FRONTIER AIRLINES INC /CO/ [ FRNT ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Vice President

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	4,619.8⁽¹⁾	D
Common Stock	678.66⁽²⁾	I	Spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option	02/05/2002	02/04/2012	Common Stock	300	$21.7	D
Stock Option	10/21/2003⁽³⁾	10/21/2012	Common Stock	15,000	$5.15	D
Stock Option	10/21/2004⁽³⁾	10/21/2013	Common Stock	5,000	$18.63	D

Explanation of Responses:

1. Of this number, 3,659.80 shares are held in trust for Mr. Sullivan under the company Employee Stock Ownership Plan. These ESOP shares are fully vested.

2. These shares are held by Mr. Sullivan's spouse in the company Employee Stock Ownership Plan. These shares are fully vested.

3. These options become exercisable in five equal installments, with the first installment exercisable on the date shown and the other four installments exercisable on the of the next four anniversaries of such date.

	David Sislowski, Attorney in Fact	04/05/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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