In reply to clp123:
They don't tend to be released in advance. But unless there's bad weather there's always ferries (the locals need to get about as much as climbers!).
Looking at last year's timetable there was about 7 ferries a day every 2 or 3 hours, between 08:30 and 23:30. So unless your flight gets in late you'll probably have time to make it to Mastichari in time.