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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   FORM 12B-25

                                               Commission File Number  0-24126
                                                                     -----------

                           NOTIFICATION OF LATE FILING


(Check One):      [X] Form 10-K and Form 10-KSB   [ ] Form 11-K
                  [ ] Form 20-F   [ ] Form 10-Q and Form 10-QSB   [ ] Form N-SAR


For Period Ended:     March 31, 2001
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[ ] Transition Report on Form 10-K and Form 10-KSB
[ ] Transition Report on Form 10-Q and Form 10-QSB
[ ] Transition Report on Form 20-F
[ ] Transition Report on Form N-SAR
[ ] Transition Report on Form 11-K

For Transition Period Ended:
                            ----------------------------------------------------

  Read attached instruction sheet before preparing form. Please print or type.

         Nothing in this form shall be construed to imply that the Commission
has verified any information contained herein.

         If the notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification relates: Part III (Items 10-13)
                                                       -------------------------

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                         PART I. REGISTRANT INFORMATION

Full name of registrant   Frontier Airlines, Inc.
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Former name if applicable

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Address of principal executive office (Street and number)

  7001 Tower Rd.
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City, State and Zip Code    Denver, CO 80249
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                        PART II. RULE 12B-25 (b) AND (c)

         If the subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate.)

         (a) The reasons described in reasonable detail in Part III of this form
         could not be eliminated without unreasonable effort or expense;

[X]      (b) The subject annual report, semi-annual report, transition report on
         Form 10-K, 10-KSB, 20-F, 11-K or Form N-SAR, or portion thereof will be
         filed on or before the 15th calendar day following the prescribed due
         date; or the subject quarterly report or transition report on Form
         10-Q, 10-QSB or portion thereof will be filed on or before the fifth
         calendar day following the prescribed due date; and

         (c) The accountant's statement or other exhibit required by Rule
         12b-25(c) has been attached if applicable.

                               PART III. NARRATIVE

         State below in reasonable detail the reasons why Form 10-K, 10-KSB,
11-K, 20-F, 10-Q, 10-QSB, N-SAR or the transition report portion thereof could
not be filed within the prescribed time period. (Attach extra sheets if needed.)

         The Company's Definitive Proxy Statement for the annual meeting to be
held on September 6, 2001, from which certain information was incorporated by
reference into Part III of the Company's Form 10-K for the fiscal year ended
March 31, 2001, could not be filed within the prescribed time period because the
Company experienced unforseen administrative delays in formatting the Definitive
Proxy Statement.

                           PART IV. OTHER INFORMATION

         (1) Name and telephone number of person to contact in regard to this
notification

               Arthur T. Voss                   (720)             374-4512
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                   (Name)                    (Area Code)      (Telephone number)

         (2) Have all other periodic reports required under Section 13 or 15(d)
of the Securities Exchange Act of 1934 or Section 30 of the Investment Company
Act of 1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If the answer is no,
identify report(s).
                                                              [X] Yes     [ ] No

         (3) Is it anticipated that any significant change in results of
operations from the corresponding period for the last fiscal year will be
reflected by the earnings statements to be included in the subject report or
portion thereof?
                                                              [ ] Yes     [X] No


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         If so: attach an explanation of the anticipated change, both
narratively and quantitatively, and, if appropriate, state the reasons why a
reasonable estimate of the results cannot be made.


                             Frontier Airlines, Inc.
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                  (Name of registrant as specified in charter)

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.

Date   July 31, 2001                    By      /s/ Arthur T. Voss
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                                          Arthur T. Voss, Vice President,
                                          General Counsel, and Secretary


                  Instruction. The form may be signed by an executive officer of
         the registrant or by any other duly authorized representative. The name
         and title of the person signing the form shall be typed or printed
         beneath the signature. If the statement is signed on behalf of the
         registrant by an authorized representative (other than an executive
         officer), evidence of the representative's authority to sign on behalf
         of the registrant shall be filed with the form.

                                    ATTENTION

         Intentional misstatements or omissions of fact constitute Federal
criminal violations (see 18 U.S.C. 1001).




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