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 OF SECURITIES 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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * RAMIUS CAPITAL GROUP LLC   2. Issuer Name and Ticker or Trading Symbol SAIA INC [SAIA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 666 THIRD AVENUE, 26TH FLOOR,  3. Date of Earliest Transaction (Month/Day/Year) 09/07/2006 (Street) NEW YORK, NY 10017 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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, $.001 par value 09/07/2006   S   1,933 D $ 30.3174 292,040 I (1) By Parche, LLC Common Stock, $.001 par value 09/07/2006   S   15,768 D $ 30.2806 276,272 I (1) By Parche, LLC Common Stock, $.001 par value 09/08/2006   S   4,591 D $ 30.9451 271,681 I (1) By Parche, LLC Common Stock, $.001 par value 09/07/2006   S   3,001 D $ 30.3174 453,199 I (2) By Ramius Master Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   24,471 D $ 30.2806 428,728 I (2) By Ramius Master Fund, Ltd. Common Stock, $.001 par value 09/08/2006   S   7,124 D $ 30.9451 421,604 I (2) By Ramius Master Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   673 D $ 30.3174 101,591 I (3) By RCG Ambrose Master Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   5,485 D $ 30.2806 96,106 I (3) By RCG Ambrose Master Fund, Ltd. Common Stock, $.001 par value 09/08/2006   S   1,597 D $ 30.9451 94,509 I (3) By RCG Ambrose Master Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   619 D $ 30.3174 93,535 I (4) By RCG Halifax Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   5,050 D $ 30.2806 88,485 I (4) By RCG Halifax Fund, Ltd. Common Stock, $.001 par value 09/08/2006   S   1,470 D $ 30.9451 87,015 I (4) By RCG Halifax Fund, Ltd. Common Stock, $.001 par value 09/07/2006   S   4,810 D $ 31.3174 726,476 I (5) By Starboard Value (6) Common Stock, $.001 par value 09/07/2006   S   39,226 D $ 30.2806 687,250 I (5) By Starboard Value (6) Common Stock, $.001 par value 09/08/2006   S   11,419 D $ 30.9451 675,831 I (5) By Starboard Value (6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 1474 (9-02)

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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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
RAMIUS CAPITAL GROUP LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
Starboard Value & Opportunity Fund, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
Parche, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
Admiral Advisors, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
C4S & CO LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 19917		X
COHEN PETER A C/O RAMIUS CAPITAL GROUP, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
SOLOMON JEFFREY M C/O RAMIUS CAPITAL GROUP, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
STARK MORGAN B C/O RAMIUS CAPITAL GROUP, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
STRAUSS THOMAS W C/O RAMIUS CAPITAL GROUP, LLC 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X
RCG Ambrose Master Fund, Ltd. 666 THIRD AVENUE, 26TH FLOOR NEW YORK, NY 10017		X

Signatures

/s/ Jeffrey M. Solomon, authorized signatory		09/11/2006
**Signature of Reporting Person		Date
/s/ Jeffrey M. Solomon, as Attorney in Fact for Peter A. Cohen		09/11/2006
**Signature of Reporting Person		Date
/s/ Jeffrey M. Solomon, as Attorney in Fact for Thomas W. Strauss		09/11/2006
**Signature of Reporting Person		Date
/s/ Jeffrey M. Solomon, as Attorney in Fact for Morgan B. Stark		09/11/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Consists of shares of Common Stock held by Parche, LLC (Parche). Each of Messrs. Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss is an authorized signatory for Admiral Advisors, LLC (Admiral), the managing member of Parche, and is also a managing member of C4S & Co, L.L.C. (C4S), the managing member of Ramius Capital Group, LLC (Ramius). Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, C4S and Admiral may be deemed to be the beneficial owner of the shares held by Parche. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, C4S and Admiral disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(2)	Consists of shares of Common Stock held by Ramius Master Fund, Ltd. (Ramius Master). Each of Messrs. Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss is a managing member of C4S & Co, L.L.C. (C4S), the managing member of Ramius Capital Group, LLC (Ramius), the managing member of Ramius Advisors, LLC (Ramius Advisors), the investment manager of Ramius Master. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, Ramius Advisors and C4S may be deemed to be the beneficial owner of the shares held by Ramius Master. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, Ramius Advisors and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(3)	Consists of shares of Common Stock held by RCG Ambrose Master Fund, Ltd. (RCG Ambrose). Each of Messrs. Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss is a managing member of C4S & Co, L.L.C. (C4S), the managing member of Ramius Capital Group, LLC (Ramius), the investment manager of RCG Ambrose. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius and C4S may be deemed to be the beneficial owner of the shares held by RCG Ambrose. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(4)	Consists of shares of Common Stock held by RCG Halifax Fund, Ltd. (RCG Halifax). Each of Messrs. Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss is a managing member of C4S & Co, L.L.C. (C4S), the managing member of Ramius Capital Group, LLC (Ramius), the investment manager of RCG Halifax. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius and C4S may be deemed to be the beneficial owner of the shares held by RCG Halifax. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(5)	Consists of shares of Common Stock held by Starboard Value and Opportunity Master Fund Ltd. (Starboard). Each of Messrs. Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss is an authorized signatory for Admiral Advisors, LLC (Admiral), the investment manager for Starboard, and is also a managing member of C4S & Co, L.L.C. (C4S), the managing member of Ramius Capital Group, LLC (Ramius). Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, C4S and Admiral may be deemed to be the beneficial owner of the shares held by Starboard. Each of Messrs. Cohen, Stark, Solomon and Strauss, Ramius, C4S and Admiral disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(6)	Starboard Value and Opportunity Master Fund Ltd.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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