How long does it take for something to arrive U.S. Priority Mail? Which one arrives the quickest out of...?

Question

First Class Mail

U.S. Priority Mail

Air(International) or

Global Priority Mail?

Answer 1

It depends where it's going. Go to usps.com and click on "calculate postage"... Enter all the info and you can see how long it will take.  

"Easily calculate retail postage rates and estimated delivery times."

Answer 2

first class mail .it cost the most so it must be some good.

Answer 3

us priority arrives generally within 2-3 days depending on its destination....even quicker than these is express mail and that is overnight