The question What terminal is United Airlines at BOS refers to finding the specific terminal at Boston Logan International Airport (BOS) where United Airlines operates its flights. The answer to this query is that United Airlines is located at Terminal A at BOS. This terminal serves as the primary hub for United Airlines' check-in, security, gate access, and baggage claim. So, if you're wondering, What terminal is United Airlines at BOS, the answer is Terminal A, where you will find all the services and amenities to ensure a smooth travel experience.