Originally Posted by TRVLRZ
Other exchange options combine the miles-to-points and points-to-miles functions of the Diners Club Rewards and Hilton HHonors programs.
But Diners only permits miles-to-points conversions from American and United's programs. And in Hilton's program, none of the most distressed programs allows miles-to-points transfers.
not that it matters in this forum, but ua just sent out correspondance saying that they will no longer participate in the diners club rewards program after 4/27... .