Alaska Airlines BOS Terminal +1-888-839-0502 A number of facilities are available at Terminal B's Alaska Airlines BOS Terminal. Before their trip, travelers can find comfort in places like Dunkin' and Lucca, as well as free Wi-Fi and plenty of charging outlets. Travelers on Alaska Airlines value the modern decor, roomy seating areas, and spotless facilities. Terminal B makes the Alaska Airlines BOS Terminal experience easy, quick, and pleasurable for all travelers, whether they are waiting for an early or late flight.