Southwest's anniversary sale has just begun. The details are not announced but fares have appeared August 21 - December 12 except Fridays and Sundays and except Thanksgiving week. Complete your bookings before midnight Central Time Thursday evening. See Sale is Live! was: Plan for the big anniversary sale starting tonight June 4-5

In other news:

Southwest extended the schedule on May 31, 2018 for travel through January 6, 2019.

The Spring Double Credit promotion has been extended to June 30, 2018. If you were booked a trip before April 6 for travel between June 14 and June 30 and the fares have not increased, consider canceling and rebooking your trip to capture the extra credit. See Extended!! National Double Points Promotion - 4/6/18 to 6/30/18 (was: to 6/13/18)