Ditto here... was trying to go to the World Series in PHX last year. CO wanted 90k for a FC seat, they made no mention of HP/NW availability.

After applying some pressure I got them to check HP and viola! EWR-DEN on CO metal, DEN-PHX on HP metal for 40k miles.

As others have stated, that is a somewhat unconventional routing, but it got me there and wasn't too far out of the way.