Same as other people mentioned before, i had same bad experience with UPS Sunnyvale CA delivery. my package suppose to be delivered on Christmas eve, based on UPS status information, the package would be delivered on day before Christmas.
However, when I checked the status at 7:00pm, the status said "first attempt failed" due to no one at home, I was at home whole day and just waited for the packages, it is also no poster showed on the door.
I believe Sunnyvale UPS deliver even not bother to drive to my home and just went home for Christmas' eve dinner. Very disappointed!