Yes the USPS delivers on Saturdays. UPS does not deliver on Saturdays.
3 days from USPS process day (usually same day you drop of at usps).
No
No the USPS does not deliver on any major holidays
The USPS has never delivered on Federal Holidays.
One day
the answer to the question is yes!! I just received my mail and it was like i hadn't gotten mail in a week! so yes you will receive you're mail the day after new years day. It may take the mail carrier that delievers to you're home a little longer, but you will get the mail.
No USPS mail on Columbus Day.http://www.usps.com/communications/newsroom/calendar/federalholidays.htm
Priority Mail Express generally is delivered the next business day.
For USPS, expedited mail is the same as Express Mail and it is overnight delivery, the fastest available from USPS. For UPS, there are several options for next day delivery, which would be the same as expedited mail.
An average mail carrier can deliver anywhere between 500 to 1000 pieces of mail per day, depending on the specific route and workload. This can include letters, packages, and other items to be delivered.
it takes roughly about 12 days after a day or 2 of shipping