Ownership Submission
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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(Print or Type Responses)
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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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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