When is the booking window open for FLY Live in studio classes? Our booking window opens at 5 PM every Sunday, which allows you to book classes through the following Monday. Related articles How can I cancel a a FLY Live in studio reservation? What should I wear to the FLY Live studio? Where can I see the FLY Live schedule? How can I sign up for a class at FLY Live? What can I expect when I arrive at the FLY Live studio? Comments 0 comments Article is closed for comments.