United Airlines today announced it is the first and only airline to offer premium-cabin, flat-bed seats on every scheduled transcontinental flight between New York's John F. Kennedy International Airport and San Francisco and between New York JFK and Los Angeles.

The airline has completed an extensive redesign of 15 Boeing 757-200s that fly these "Premium Service" routes.

The revamped p.s. aircraft offer 28 180-degree flat-bed United BusinessFirst seats, offering up to 6'4" of sleeping space and more room for storage; 42 extra-legroom United Economy Plus seats; and 72 United Economy seats.