I have neeeever made reservations at the 180 mark. And I continue to make and change my reservations here at the 33 day mark. I just got a reservation for the rapunzel breakfast thing that I've been searching for since the beginning of March/end of February. I found it before Touringplans totally coincidentally.
If it helps AT ALL, every time I've wanted a BOG reservation, I've found one. People changed their minds when the menu changes. Or if free dining is offered, etc etc. But I would definitely set up the reservation finder. It's free. You can search for two reservations at a time. Once it finds a meal for your restaurant, it lets you know and shuts off. I got one in the middle of the night, too, that I missed. Womp womp. And then a little while later, I got another text that something else had opened up.
So far, the only reservation I want and cannot get at this point is for CRT. And I'm not even 100% certain that I want to spend my money on it. I often OVERPLAN all of my reservations so that I can cancel them once I'm there. I know for a fact we won't eat breakfast every morning, but I still have ADRs for every morning of the trip. So worst case scenario, you'll find something the day of the trip. But with so much time between now and your trip, you can absolutely get your reservation.