Alaska Airlines is based at Newark Liberty International Airport (EWR), Terminal A. Domestic travel is the main usage of Alaska Airlines EWR Terminal A, from which the airline operates multiple routes to different locations. Remember that gate assignments and terminals are subject to change, so it's wise to double-check the specifics of your flight whenever possible. When you travel by air, you need to be aware of a number of things, including the exact amount of luggage allowed, flight status updates, contact data, arrival and departure terminal information, and other specifics.