Airline passengers often complain they feel cramped in their seats.
A Conde Nast survey reveals which United States airlines are giving the most legroom to passengers and which give the least.
It found Jet Blue offers the most legroom in coach with 33 inches between rows. Next are Virgin America and Southwest, with 32 inches each
United, Delta and American leave 31 inches between rows, though passengers can pay extra for more space.
Spirit and Frontier offer the least amount of legroom, just 28 inches between rows.