Question: what is the difference between economy and economy plus with united airlines?
Answer: United Airlines Seats in United's Economy class have a width of 17.3 inches, and 31 inches of legroom. United Economy Plus: Economy Plus seating on United has a width of 17.3 inches as well, but 37 inches of legroom. In other words, paying up means getting the same seat, but with 6 extra inches of legroom.