Economy seats are between 16 and 18.6 inches wide, with 30 to 33 inches of pitch (the distance from seatback to seatback), and two or three inches of recline. Depending on the type of plane you're on, they can be laid out in anything from a 2 – 2 pattern to one that is 2 – 4 – 2 or 3 – 3 – 3.