Originally Posted by aaupgrade
Seasonal schedules come out about 350 days prior to the END of that seasonal schedule. For example I fly to EGE (Vail, Co) every year for skiing and book my ticket as soon as the schedule is made available in order to secure F seats. For next year the last day of scheduled service is April 2, 2006 so schedules were available on April 17, 2005. The previous year schedules were available about a week later.
Does anyone know if this is the case for other airlines (eg Finnair)? I want to book HEL-RHO for next summer, but would like to confirm that a flight exists before I book it into my ONEx trip. Currently no flights are listed in the database.