Hilton HHonors - Airline miles for HHonors points

I know Delta used to award a certificate that let you turn their miles into double the number of Hilton points - they discontinued that at the end of February, so I was wondering if any other airlines still have a conversion to Hilton points. I mostly fly US or AA, but have 5-10k on several other carriers from a few odd trips over the years, and those miles really will not do me much good.

There are only a handful of airlines that you can still do this with. AA, Continental, Hawaiian and a few others.
Here's the link for the complete list.

http://www.hilton.com/en/hhonors/rewards/exchange_1.jhtml


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"A day without Points/Miles is like a day without SUNSHINE"

I recently exchanged my Continental One Pass Miles for HHonors points (I rarely travel this airline and had about 15k miles earned over 4 years). I know that, at one time, you could also exchange Delta miles, but that has been discontinued.

I was wondering if there are any other airlines on which you can exchange miles for Hilton points at the moment as I have small amounts with several carriers (like 5k-10k)that I have flown on here and there and would like to put them to some use.

http://www.hilton.com/en/hhonors/rewards/exchange_1.jhtml