Yes, the rush line forms early. To be safe, I'd say get there by 7am. If you fail to get a ticket, ask about the partial view seats. These seats are hardly partial view, and are only $57.
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.