Given a certain level with the airline, United for example blocks the seat right next to you to offer you extra space (this can be overruled if the plane gets too packed). Thus, one passenger may be linked to more than one seat.
Given a certain level with the airline, United for example blocks the seat right next to you to offer you extra space (this can be overruled if the plane gets too packed). Thus, one passenger may be linked to more than one seat.