Moderator: Hawaii-based airlines & Hawai'i forums
Join Date: Mar 2003
Location: Ka ʻĀpala Nui, Nuioka
Programs: NEXUS/Global Entry, Delta, United, Hyatt, IHG, Marriott, and Hertz
Posts: 18,684
Do you have Global Entry? If so, not much of an issue.
Assuming Porter would dump you into the main Customs and Immigration queues at EWR Terminal B, it can be a pretty lengthy wait if you arrive when some of the Europe flights are getting in.