Senate passes bill to keep New Mexico on Daylight Saving Time. FILE - Custodian Ray Keen checks the time on a clock face after changing the time on the 97-year-old clock atop the Clay County Courthouse, in this Nov. 6, 2010 file photo taken in Clay Center, Kan.
The time is takes for a package to clear customs varies from one  day to one month. The way a package is shipped has a lot to do with  how long it will take to clear.
Timeframe. The United States Postal Services reports that as of January 2011, it takes an average of one to three days for First-Class Mail to arrive at its destination. Priority Mail takes an average of one to two days to arrive, according to the USPS.USPS only includes the time a package stays in transit in their estimations.Packages dropped off at a post office during business hours usually leave that day. Packages dropped off after hours may take an additional day.riority Mail takes an average of one to two days to arrive, according to the USPS. USPS only includes the time a package stays in transit in their estimations. Packages dropped off at a post office during business hours usually leave that day. Packages dropped off after hours may take an additional day.