I just got this back from my email to Sprint:

_________________

Dear Lisa,

Thank you for contacting Sprint.

We have affiliation with various Airlines Frequent Flier Programs.

These includes:

-America West - Flight Fund Account.

-Alaska Airlines.

-Midwest Express.

-United Airlines.

-US Air - Airlines Dividend Miles.

Please let us know if you have any further questions.

Alan B.
eCare