For period ended 10/31/2004
Registrant Name: AMR Investment Services Trust
File Number: 811-9098


EXHIBIT 99.906CERT


William F. Quinn and Rebecca L. Harris, respectively, the President and
Treasurer of the AMR Investment Services Trust (the "Registrant"), each certify
to the best of his or her knowledge and belief that:

1.  the Registrant's report on Form N-CSR for the period ended October 31, 2004
(the "Form N-CSR") fully complies with the requirements of Section 15(d) of the
Securities Exchange Act of 1934, as amended; and

2.  the information contained in such Form N-CSR fairly presents, in all
material respects, the financial condition and results of operations of the
Registrant.

/s/ William F. Quinn                      /s/ Rebecca L. Harris
- --------------------                      ---------------------
William F. Quinn                          Rebecca L. Harris
President                                 Treasurer
AMR Investment Services Trust             AMR Investment Services Trust

Date: January 7, 2005


A signed original of this written statement required by Section 906 has been
provided to AMR Investment Services Trust and will be retained by AMR
Investment Services Trust and furnished to the Securities and Exchange
Commission or its staff upon request.