And then come next week, what do you think his reply will be?

If you had record copies of his promises for the last 4 weeks, you could send the entire e-mail chain to illustrate the frustration you've experienced.

If you call or e-mail his boss behind his back, you are going over his head.

If you Cc his boss, you're not going over his head. But it lets him know that you're serious about getting your OTS slot.

You could also go this route:

Recruiter Locator - Contact the U.S. Air Force - AirForce.com

Click on the "live chat" link and tell them your story. Keep us updated!