If Hair becomes as popular as I think it will this summer, it should break the 1 million mark. It would need to get rid of it's discount(which expires on July 12) and no longer be on TKTS.
A Chorus Line revival played its final Broadway performance on August 17, 2008. The tour played its final performance on August 21, 2011. A new non-equity tour started in October 2012 played its final performance on March 23, 2013. Another non-equity tour launched on January 20, 2018. The tour ended its US run in Kansas City and then toured throughout Japan August & September 2018.