To amend title 49, United States Code, to ensure air passengers have access to necessary services while on a grounded air carrier, and for other purposes.

Airline Passenger Bill of Rights Act of 2011 - Requires each air carrier and airport operator to submit for approval by the Secretary of Transportation (DOT) a proposed contingency plan meeting minimum standards established by the Secretary. Requires an air carrier to provide passengers on a departure- or arrival-delayed grounded aircraft with: (1) adequate food, water, restrooms,...