I applied as a walk-in this morning at the Kitchener passport office and it surprisingly went very smoothly! I filled out the booking request form 4 days ago and still haven't received a call back to schedule an appointment, so I decided to try walking in anyway. I had proof of travel with me. Got there around 8:15, there were already 15 or so people ahead of me lined up outside the office. The security guard asked me if I had an appointment, I said no, but I had proof of travel... I was totally expecting him to send me away, but he said 'not a problem' and asked me to join the line. Another 20 people joined the line after me. Only about 5-6 had appointments, the majority of the rest were walk-ins, and a few people were picking up passports with receipts. At 8:30, they started letting people in. There were different lines for walk ins, appointments and pick-ups. It was very well organized! Got my documents checked and was given a token number. Waited about 15-20 mins until it was my turn. The agent did not ask for any proof of travel. They had quite a bit of people working there, lots of open counters. All in all, I was out by 9:15. Since my travel date is April 1, 15 business days away, I applied with regular processing.