Yes
In the US, Mail is delivered Monday through Saturday, except on Federal Holidays. Labor Day is a Federal holiday, so no mail on Monday. However, there will be mail delivered on Saturday of the weekend.
Mail doesn't get picked up or arrive on Sundays. Ever. So no. Also, Labor Day is a national holiday, so no mail is picked up or delivered on Labor day. Ever. So no.
It would take two to three days for mail to be delivered from Michigan to Ohio. That is unless you send it overnight mail, in that case it would be delivered the next day.
If you wish to pay the fee, it can be delivered the next day.
Priority Mail Express generally is delivered the next business day.
In general, it takes 1-2 days. Boston to Providence mail is often delivered the next day, while mail from more rural areas takes longer to arrive. If you need the item to get there the next day, consider using Express Mail, which costs more but guarantees next day delivery.
First Class Mail is delivered in three to five days.
Well...if you pay for next day shipping...then...the next day! It really all depends on how much you pay.
Priority Mail Express generally is delivered the next business day depending on where your package starts and where it is being sent.
First Class Mail is delivered in three to five days.
Yes, mail will get delivered day after New Years in NZ.
One or two days, depending on the time of day you mail item, the location where you want it delivered, and the location from where you mailed it.