The latter. Polaris service/amenities are typically restricted to long-haul international flights. About the only Polaris amenities that make it to any domestic non-p.s. flight is a pillow and duvet. I was on a 752 like yours 11 days ago IAH-SFO - didn't even get those. Expect domestic food and amenities. A pillow and duvet would be a bonus. The money you're paying is mainly for the lie-flat seat.