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

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1. Name and Address of Reporting Person * DARBY JAMES A   2. Issuer Name and Ticker or Trading Symbol SAIA INC [SAIA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP of Finance & CFO (Last) (First) (Middle) 11465 JOHNS CREEK PARKWAY, SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 02/02/2007 (Street) DULUTH, GA 30097 4. If Amendment, Date 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 (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

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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

Phantom Stock

(1)

(2)

(3)

Common Stock

22,046.281

22,046.281 (1)

D

Stock Options (Right to buy)

$ 4.209

07/20/2002

07/20/2010

Common Stock

13,644

13,644

D

Stock Options (Right to buy)

$ 4.363

10/25/2002

10/25/2010

Common Stock

18,192

18,192

D

Stock Options (Right to buy)

$ 23

02/03/2008

02/02/2012

Common Stock

1,300

1,300

D

Stock Options (Right to buy)

$ 27.38

01/28/2009

01/27/2013

Common Stock

2,170

2,170

D

Stock Options (Right to buy)

$ 26.72

02/02/2007

A

3,710

02/02/2010

02/01/2014

Common Stock

3,710

$ 26.72

3,710

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DARBY JAMES A 11465 JOHNS CREEK PARKWAY, SUITE 400 DULUTH, GA 30097			VP of Finance & CFO

Signatures

James A Darby		02/06/2007
**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).
(3)	The shares of phantom stock become payable, in cash, upon reporting person's termination of service as an employee.
(2)	Immediate
(1)	The conversion rate of this derivative security on February 2, 2007 is 0.8013 resulting in 17,666.145 shares of common stock (underlying security in column 7).

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