Ugh. UPS sucks. Hard. I've had exactly ONE package delivered by them WITHOUT problems. Thankfully it was a huge one - my ducktail. Every other time there's been some kind of problem or delay.
I'll never forget the time when I lived in Montreal and a package was being delivered to me by UPS. My address was 3454 Stanley St. and they tried to deliver it to 345 Stanley. I told them that 345 would be somewhere in the St. Laurence River (addresses started at 1000). They tried TWICE more to deliver to 345 Stanley, despite my repeated calls. After a week or so of this, I eventually had to go pick it up at their depot in Lachine (suburb maybe 30km out of downtown). I was a student at the time with no car. 90 minutes by metro and bus to their depot, 90 minutes back. I called in a complaint and sent them an email. Their response was to credit me with a free shipment, so long as the shipment was leaving from 345 Stanley St.