This topic comes up frequently. There was a change in the access language on the website about a year ago which appears to only grant access with Delta One flights when flying DL metal (they added the words "excluding Delta" to the section for international Skyteam Business and First Class flights). Others disagree. Here is the most recent thread from a few days ago --
Skyclub access when traveling internationally first (not D1)
Last edited by xliioper; Jan 19, 2020 at 11:02 pm