Sec Form 4 Filing - Indigo Florida L.P. @ Spirit Airlines, Inc. - 2012-01-25

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Indigo Florida L.P. 2. Issuer Name and Ticker or Trading Symbol Spirit Airlines, Inc. [ SAVE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O INDIGO PARTNERS LLC, 2525 EAST CAMELBACK ROAD, SUITE 800 3. Date of Earliest Transaction (MM/DD/YY) 01/25/2012 (Street) PHOENIX, AZ85016 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/25/2012 S( 1 ) 2,955,898 D $ 13.9563 11,266,193 I See footnotes ( 2 ) ( 4 ) Common Stock 01/25/2012 S( 1 ) 211,136 D $ 13.9563 804,727 I See footnotes ( 3 ) ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Indigo Florida L.P. C/O INDIGO PARTNERS LLC 2525 EAST CAMELBACK ROAD, SUITE 800 PHOENIX, AZ85016 X X Long Bar Miramar LLC 2525 EAST CAMELBACK ROAD, SUITE 800 PHOENIX, AZ85016 X X FRANKE WILLIAM A X X Signatures /s/ Thomas Canfield, as Attorney-in-Fact for Indigo Florida, L.P. 01/27/2012 Signature of Reporting Person Date /s/ Thomas Canfield, as Attorney-in-Fact for Long Bar Miramar LLC 01/27/2012 Signature of Reporting Person Date /s/ Thomas Canfield, as Attorney-in-Fact for William Franke 01/27/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Transaction carried out as part of an underwritten secondary public offering of common stock of the issuer consummated on January 25, 2012. ( 2 )Shares held by Indigo Florida, L.P. ( 3 )Shares held by Long Bar Miramar, LLC. ( 4 )Indigo Pacific Partners LLC is the sole member of Indigo Pacific Capital LLC, which is the general partner of Indigo Pacific Management LP, which is the general partner of Indigo Florida, L.P. Indigo Management LLC is the manager of Long Bar Miramar LLC. William Franke, a member of the Issuer's board of directors, is a managing member of Indigo Pacific Partners LLC and a manager of Indigo Management LLC and shares voting and investment power over the shares held by Indigo Florida, L.P. and by Long Bar Miramar LLC. Mr. Franke disclaims beneficial ownership of the shares reported herein, except to the extent of his proportionate pecuniary interest therein.

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 4(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).

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