Puerto Rico’s transportation system within the San Juan metro area is pretty good. Public transportation on the island is always a hot topic among travelers. The operating hours for the AMA buses will be Monday through Friday from 5am to 9pm, and Saturday and holidays from 6am to 8pm. Check out this app that will help you get around in San Juan! Moovit- Find my bus We have not been able to update this article yet, so check : bus map.