Find below latest update regarding booking slots availability for LNG vessels:
Between Dec. 17th & Dec. 31st: No space available
January, February, March 2018 : NO SPACE available
Next slot available:
December 15th, 2018: 1 slot available (for Northbound or Southbound)
Alternatively to look/find booking slots available on daily basis, you can access below link (this web page is updated by Panama Canal Authorities every 30-60 minutes AGW):