I showed up 15 minutes before my appointment time and was shown to the entrance. At the entrance, a pleasant security guard checked my name off his list and let me in. I went through security to the waiting area and waited for my number to be called. I waited maybe 10 minutes before a nice Czech woman called me to the window and took all my papers. She checked each item to be sure I had brought everything. I had paid the visa fee in advance but had not brought proof of payment with me, but she was able to find the record in their system. I was asked to sit back down to wait.
I waited for max 30 minutes until I was called to another window. A super pleasant female consul greeted me and told me she is kind of new in the role and "still practicing" so she thanked me in advance for my patience.