"According to data from the National Study of Employers conducted by the Families and Work Institute, 68 percent of U.S. workplaces allow some of their employees to periodically change starting and quitting time, and 33 percent report that they allow all or most of their employees to do this."
Pitt-Catsouphes, M., & Smyer, M. A. (2006). One size doesn't fit all: Workplace flexibility (Issue Brief No. 05). Chestnut Hill, MA: BostonCollegeCenter on Aging & Work/Workplace Flexibility. Retrieved October 30, 2007 from http://agingandwork.bc.edu/documents/IB05_OneSizeDoesntFit_001.pdf
"This Issue Brief discusses opportunities to create flexible workplaces by restructuring jobs and redesigning work."