I'm waiting for December fares for our 12/16 to 12/23 trip this year.
I found this information on the FlyerTalk.com message boards:
Last 3 Years:
2005 - On July 15th the schedule was extended to December 12th, 2005
2005 - On August 18th the schedule was extended to January 9th, 2006
2004 - On July 15th the schedule was extended to December 11th, 2004
2004 - On July 29th the schedule was extended to January 14th, 2005
2003 - On June 26th the schedule was extended to December 13th, 2003
2003 - On July 24th the schedule was extended to January 16th, 2004
Southwest usually extends the schedule when the current open schedule drops down to the 100 to 135 day range. Right now, the schedule is open until October 27th, 2006 (116 days from today).
Using my trusty spreadsheet for the calculations, the 100 day mark would be July 19th, 2006 and the 135 day mark was June 14th, 2006. Based on history, that would mean that the next schedule extension should happen between June 14th and July 19th.....so, anytime between now and around July 19th the schedule should be extended to around December 9th - 15th.
There are a few other posts stating that the schedule is usually extended on a Thursday and that the schedule is usually extended around 10am Central Time....but, that's not always the case.
FlyerTalk FAQ for Southwest is located
here
The information posted above is from Topic #19 on that board.
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