I know what you mean.
![Frown :( :(](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f641.png)
My Luna boy had started to grow his flight feathers, and started to get brave with flying. I generally cut them but because they're almost full feathers, still pumping blood, I have decided to hold off on cutting. when taking him outside earlier to their cage, he flew off, startled by the neighbors singing karaoke, super loudly. It just happened. Feel like a bad bird parent, honestly. This is my fourth time going through this (my other parrot likes joy flights and is stubborn nwith coming home, even though she knows how). But don't be too hard on yourself. I'd suggest calling around for your parrot yourself if you can. Make Peanuts favorite sounds. That's how I got my other parrot to come home those other times, making sure she knew where I was. Kind of like a flock call.
Best of luck to you, I'll be on my own hunt for my little born monster.
10/01/19 update: I called out for Luna like I suggested, and he definitely called back. I was able to find him a block away, but a few houses down from our own. Luna is home, eating breakfast and I hope your Peanut got home too!