Is ‘award’-seat data held by copyright?

How public is the publicly available information about the limited seats airlines release for mileage redemption on their flights? Can anyone take that information from an airline without permission and publish it on their own Web site, even with the best of intentions?

A frequent flier from the San Francisco Bay Area tried to do just that last month, but he was forced to shut down his site in less than a week. “Mystified by the inner workings of inventory management” at United Airlines, he created a model that searched and analyzed “award” availability on several routes served by United “on a nightly basis,” he wrote in a March 18 self-promoting post on FlyerTalk.com, one of the largest online travel communities…