The best replacement for priority mail is express mail.

The best alternatives to priority mail are rated as following:
★★★★★  express mail
★★★★  first class
★★★  parcel post
★★★  first class mail
★★★  ups ground
★★  ups
★★  flat rate
★  ground
★  fedex ground
★  fedex
★  express
★  certified
★  standard shipping
★  certified mail
★  first class usps
  overnight
  first class international
  parcel select
  media mail
  standard post
  1st class mail
  regular mail
  priority mail flat rate
  express mail international
  priority mail express
  standard mail
  parcel mail
  parcel
  flat rate box
  fed ex

Your alternative for priority mail is not listed? Suggest!
Speaking about priority mail, one probably shouldn't forget about delivery confirmation.

Other search terms related to priority mail and their ratings are:
★★★★★ delivery confirmation
★★ insurance
★★ confirmation
★ tracking number
★ signature confirmation
You have in mind a companion for priority mail and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of priority mail in all years. Click on graph for more.
priority mail
express mail
first class