; and (3) trends in Department of Transportation enforcement actions. (c) Report Not later than 1 year after the date of enactment of this Act, the Comptroller General shall submit to the appropriate committees of Congress a report on the study, including the Comptroller General’s findings, conclusions, and recommendations. 412. Strollers (a) In general Subchapter I of chapter 417 of title 49, United States Code, as amended by this Act, is further amended by adding at the end the following: 41726. Strollers (a) In general Except as provided in subsection (b), a covered air carrier shall not deny a passenger the ability to check a stroller at the departure gate if the stroller is being used by a passenger to transport a child traveling on the same flight as the passenger. (b) Exception Subsection (a) shall not apply in instances where the size or weight of the stroller poses a safety or security risk. (c) Covered air carrier defined In this section, the term covered air carrier means an air carrier or a foreign air carrier as those terms are defined in section 40102 of title 49, United States Code. . (b) Table of contents The analysis for chapter 417 of title 49, United States Code, is further amended by inserting after the item relating to section 41725 the following: 41726. Strollers. . 413. Causes of airline delays or cancellations (a) Review (1) In general Not later than 1 year after the date of enactment of this Act, the Secretary of Transportation, in consultation with the Administrator of the Federal Aviation Administration, shall review the categorization of delays and cancellations with respect to air carriers that are required to report such data. (2) Considerations In conducting the review under paragraph (1), the Secretary shall consider, at a minimum— (A) whether delays and cancellations were the result of— (i) decisions or matters within the control or within the discretion of the Federal Aviation Administration, including ground stop or delay management programs in response to adverse weather