I ordered in October (for a business, told to expect delivery in the first half of the Feb-May window) and Tesla told me in March though to mid-May that there was no reason to think my delivery would be delayed. A few weeks ago, they told me to expect a notification to arrange delivery "very soon", then told me the car isn't even in the country. I paid in full a month ago, then they slid my EDD window back.
I might get my car before EOFY. The process is fairly random and the information is garbage. As [Zombie] mentioned, you could be lucky, but I think you are wise to assume your delivery will be after EOFY. I wish I had not believed Tesla's assurances, and had bought a different car when I had the chance months ago.