I'm interested in booking Jet Blue for a family trip we are taking next February. Currently, the JetBlue website is allowing reservations to be made through October of this year (despite the fact that there is an apparently outdated message on the site saying bookings are ony being offered through September 4th).

Whatever, given I plan to try and get seats for flights during a high demand holiday period, I'm hoping someone has some idea of typical timing of when Jet Blue releases updated schedules (so I can get an idea of when to plan on booking those as early as they become available).

Specifically, does anyone know if their schedules "roll over" at the end of every month (ergo, at the end of March 07 the schedule for November 07 will open up, with December opening at the end of April, etc.) or are updates released on some other timetable - or perhaps even randomly?

Any insight will be appreciated!