Delta publicly confirmed the plan, but said it's still subject to LAWA approval:
https://www.flightglobal.com/news/ar...at-lax-420660/
A few more details:
Roger Johnson, deputy executive director of airports development at LAWA, told Flightglobal in January 2014 that the operator planned to demolish and rebuild terminal three, which he described as being in the poorest condition of all of the terminals at the airport, once the new midfield concourse is complete.
There's also an image from the long-term plan, but it makes little to no sense...
