1. Short title This Act may be cited as the Airline Consumer Protection Act of 2017 . 2. Interlining Not later than 1 year after the date of enactment of this Act, the Secretary of Transportation shall issue a final rule requiring an air carrier to seek, in the event of a delay exceeding 3 hours, cancellation, or mis­con­nec­tion as a result of circumstances or an event within an air carrier’s control, as determined by the Secretary of Transportation, alternative transportation for displaced passengers, including aboard another air carrier capable of transporting the passenger to his or her originally scheduled destination, and to accept, for a reasonable fee, the passengers of another air carrier who have been displaced by circumstances or an event within that air carriers control, as determined by the Secretary of Transportation, or if the passenger has been involuntarily denied boarding due to a lack of available seats. 3. GAO study Not later than 1 year after the date of enactment of this Act, the Comptroller General shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report containing a review of the following: (1) The commonalities and differences of computer network architecture used by air carriers operating under part 121 of title 14, Code of Federal Regulations. (2) Analysis of operationally critical functions, including consideration of passenger-facing functions such as reservation and notification systems, aircraft dispatch functions and how information regarding such functions and systems is transmitted to outstations, maintenance monitoring and planning systems, and crew scheduling systems. (3) The impact of consolidated systems and software that handle multiple critical functions. (4) The most common causes of airline computer network disruptions. (5) Industry best practices to prevent, and mitigate the impacts of, network disruptions. 4. Computer network resiliency (a) In