Working Families Flexibility Act

Working Families Flexibility Act - Authorizes an employee to request from an employer a temporary or permanent change in the terms or conditions of the employee's employment if the request relates to: (1) the number of hours the employee is required to work, (2) the times when the employee is required to work or be on call for work, (3) where the employee is required to work, or (4) the amount of notification the employee receives of work schedule assignments. Sets forth certain employer duties with respect to such requests.

Makes it unlawful for an employer to interfere with any rights provided to an employee under this Act. Authorizes an employee to file a complaint with the Secretary of Labor for any violations of such rights. Provides for the investigation and assessment of civil penalties or the award of relief for alleged violations, including the review in federal courts of appeal of orders of the Secretary.

Requires the Secretary and certain federal agency administrative officers to provide information and technical assistance to employers, labor organizations, and the general public regarding compliance with this Act.

Requires the Administrator of the Wage and Hour Division of the Department of Labor to issue guidance on compliance with the Fair Labor Standards Act that provides a flexible work environment through changes in employee terms and conditions of employment provided in this Act.

Applies the requirements of this Act to certain classes of employees, including employees of the Government Accountability Office (GAO) and the Library of Congress.