I ordered a set of Ping G425 irons (4-UW) green dot with Alta CB Slate in stiff +0.5" on April 12th. I was quoted 5 weeks at the time of the order, and in the 5th week was called up and told the order would take an additional 6 weeks. Not sure how Ping could have missed the mark by more than the originally quoted delay.
Granted, this is during a pandemic and bigger things are going on around the world, but giving someone an extended timeline to begin with and missing it by more than the original quote seems a little amateur and a loss of control on the supply chain and manufacturing timelines.