Airports across the country are not as busy as Logan International Airport (BOS), located in Boston, Massachusetts. With a large selection of both local and international destinations, Delta Air Lines is one of the main airlines that serves this busy airport. Terminal A is the main hub for Delta Airlines operations at Logan International Airport. There are four terminals at Logan International Airport: Terminals A, B, C, and E each. Serving various airlines, each terminal provides unique amenities. It's critical for passengers flying with Delta Airlines from BOS to comprehend their terminal assignment.