<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Howardform:
I have United and American...and Maybe Delta (Someone else going has those)</font>
I think you can only transfer CO miles (perhaps Midwest, too) into Amtrak.
I'd suggest you try the Coupon Connection- given how many people are frustrated with redeeming on CO, there may be willing traders for UA, AA or DL awards.