“The Department of Transportation is proposing to improve the air travel environment for consumers by: increasing the number of carriers that are required to adopt tarmac delay contingency plans and the airports at which they must adhere to the plan’s terms; increasing the number of carriers that are required to report tarmac delay information to the Department; expanding the group of carriers that are required to adopt, follow, and audit customer service plans and establishing minimum standards for the subjects all carriers must cover in such plans; requiring carriers to include their contingency plans and customer service plans in their contracts of carriage; increasing the number of carriers that must respond to consumer complaints; enhancing protections afforded passengers in oversales situations, including increasing the maximum denied boarding compensation airlines must pay to passengers bumped from flights; strengthening, codifying and clarifying the Department’s enforcement policies concerning air transportation price advertising practices; requiring carriers to notify consumers of optional fees related to air transportation and of increases in baggage fees; prohibiting post-purchase price increases; requiring carriers to provide passengers timely notice of flight status changes such as delays and cancellations; and prohibiting carriers from imposing unfair contract of carriage choice-of-forum provisions.”