The whole company is basically sold out for the rest of the year. New Model S orders are estimated to arrive between January (Plaid) and March (LR), so almost every car they deliver this year is already locked in to the old pricing.
You can still buy your way to the front of the 3/Y line if you're willing to pony up for a Performance model, but the base models show November or December delivery, and let's be honest, even that might not happen given the way things are.
They clearly have a buyer for every car they can produce... like
@brkaus said, make hay while you can.