May 11, 12, 11:58 pm
Generally speaking, about how often is a new calendar released for booking flights? Anyone care to postulate an educated (or even informed) guess of when I should start checking on a daily basis to book Thanksgiving week flights?
May 12, 12, 6:44 am
The upcoming release date is always listed at the top of the Travel Tools (http://www.southwest.com/html/travel-tools/index.html) page. So the answer to your question is currently June 4th, but keep an eye on that page because they occasionally change that date.
Also the wiki contains the historical data on schedule releases (http://www.flyerguide.com/wiki/index.php/Category:Southwest_Rapid_Rewards#Recent_schedule_e xtension_history) if you want to try and predict beyond that.