Yup, fly United to Denver with connections to the United bus - directly from the concourse. No train, no picking up bags.
That certainly could make it worth considering flying United instead of Southwest to Denver. Assuming someone wants to end up at Breck. Although I'm more interested in if/when SW is going to have a non-stop from RDU to Denver again.
Here's an article that doesn't require giving an email address.
United Announces Flights to Breckenridge and Fort Collins from Denver
