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

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                             (Amendment No. __3__)*

                                    Jet Blue
       --------------------------------------------------------------
                                (Name of Issuer)


                                     Common
       --------------------------------------------------------------
                         (Title of Class of Securities)


                                    477143101
       -------------------------------------------------------------
                                 (CUSIP Number)


                                  February 2009
       --------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

        |X| Rule 13d-1(b)

        |_| Rule 13d-1(c)

        |_| Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

         Persons who respond to the collection of information contained in this
            form are not required to respond unless the form
                 displays a currently valid OMB control number.



SEC 1745 (8-07)


CUSIP No.477143101              13G                    Page __ of___ Pages


---------------------------------------------------------------------------
1. NAMES OF REPORTING PERSONS

Thornburg Investment Management Inc.

---------------------------------------------------------------------------
2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (see instructions) (a)
     [_]
                                                                        (b)  [_]

---------------------------------------------------------------------------
3. SEC USE ONLY


---------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION

Santa Fe, New Mexico

---------------------------------------------------------------------------
  NUMBER OF    5.   SOLE VOTING POWER

   SHARES           3,102,338
               ------------------------------------------------------------
BENEFICIALLY   6.   SHARED VOTING POWER

  OWNED BY          NA
               ------------------------------------------------------------
    EACH       7.   SOLE DISPOSITIVE POWER

  REPORTING         3,102,338
               ------------------------------------------------------------
   PERSON      8.   SHARED DISPOSITIVE POWER

    WITH            NA
---------------------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                    3,102,338

---------------------------------------------------------------------------
10.  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* (see
     instructions)
                                                                          [-]

---------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                     1.12%

---------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON* (see instructions) IA



---------------------------------------------------------------------------




CUSIP No.477143101              13G                    Page __ of __ Pages



---------------------------------------------------------------------------
Item 1(a).  Name of Issuer:

Jet Blue

----------------------------------------------------------------------------
Item 1(b).  Address of Issuer's Principal Executive Offices:

118-29 Queens Boulevard, forest Hills NY  11375

----------------------------------------------------------------------------
Item 2(a).  Name of Person Filing:

Thornburg Investment Management Inc.

----------------------------------------------------------------------------
Item 2(b).  Address of Principal Business Office, or if None, Residence:

2300 Ridgetop Rd, Santa Fe, New Mexico 87506-8361

----------------------------------------------------------------------------
Item 2(c).  Citizenship:

USA

-----------------------------------------------------------------------------
Item 2(d).  Title of Class of Securities:

Common
-----------------------------------------------------------------------------
Item 2(e).  CUSIP Number: 477143101



------------------------------------------------------------------------------
Item    3. If this statement is filed pursuant to Sections 240.13d-1(b) or
        240.13d-2(b) or (c), check whether the person filing is a:

      (a)     [_] Broker or dealer registered under Section 15 of the Act (15
              U.S.C. 78o).

      (b)     [_] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

      (c)     [_] Insurance company as defined in section 3(a)(19) of the Act
              (15 U.S.C. 78c).

      (d)     [_] Investment company registered under section 8 of the
              Investment Company Act of 1940 (15 U.S.C 80a-8).

      (e)     [X] An investment adviser in accordance with Section
              240.13d-1(b)(1) (ii)(E);

      (f)     [_] An employee benefit plan or endowment fund in accordance with
              Section 240.13d-1(b)(1)(ii)(F);

      (g)     [_] A parent holding company or control person in accordance with
              Section 240.13d-1(b)(1)(ii)(G);

      (h)     [_] A savings associations as defined in Section 3(b) of the
              Federal Deposit Insurance Act (12 U.S.C. 1813);

      (i)     [_] A church plan that is excluded from the definition of an
              investment company under section 3(c)(14) of the Investment
              Company Act of 1940 (15 U.S.C. 80a-3);

      (j)     [_] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).





CUSIP No.477143101               13G                    Page __ of __ Pages


----------------------------------------------------------------------------
Item 4.  Ownership.

  Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

     (a) Amount beneficially owned: 3,102,338_____________________________

     (b) Percent of class: 1.12%__________________________________

     (c) Number of shares as to which such person has:

          (i) Sole power to vote or to direct the vote 3,102,338______,


          (ii) Shared power to vote or to direct the vote NA_____________,


        (iii) Sole power to dispose or to direct the disposition of 3,102,338
0++


          (iv) Shared power to dispose or to direct the disposition of NA


-----------------------------------------------------------------------------
Item 5.  Ownership of Five Percent or Less of a Class.

     If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities check the following [X].


------------------------------------------------------------------------------
Item 6.  Ownership of More Than Five Percent on Behalf of Another Person.



------------------------------------------------------------------------------
Item     7. Identification and Classification of the Subsidiary Which Acquired
         the Security Being Reported on by the Parent Holding Company or Control
         Person.



------------------------------------------------------------------------------
Item 8.  Identification and Classification of Members of the Group.



------------------------------------------------------------------------------
Item 9.  Notice of Dissolution of Group.



------------------------------------------------------------------------------
Item 10. Certifications.

   (a) The following certification shall be included if the statement is filed
       pursuant to Section 240.13d-1(b):

       By signing below I certify that, to the best of my knowledge and belief,
       the securities referred to above were acquired and are held in the
       ordinary course of business and were not acquired and are not held for
       the purpose of or with the effect of changing or influencing the control
       of the issuer of the securities and were not acquired and are not held in
       connection with or as a participant in any transaction having that
       purpose or effect.

   (b) The following certification shall be included if the statement is filed
       pursuant to Section 240.13d-1(c):

       By signing below I certify that, to the best of my knowledge and belief,
       the securities referred to above were not acquired and are not held for
       the purpose of or with the effect of changing or influencing the control
       of the issuer of the securities and were not acquired and are not held in
       connection with or as a participant in any transaction having that
       purpose or effect.



                                    SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.



                                                    February 27, 2009
                                                        (Date)



                                                   Sophia Franco-Marquez
                                                      (Signature)



                                 Sophia Franco-Marquez/Compliance Specialist
                                              (Name/Title)



Note. Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
for whom copies are to be sent.

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