United Airlines is delighted to announce the Boeing 777-300ER, the airline's newest aircraft type, featuring the all-new United Polaris business class seats, will begin service between Frankfurt (FRA) and San Francisco (SFO) beginning October 6, 2017 (westbound). Each United Polaris suite-like pod features direct access to the aisle, a 180-degree flat-bed that measures 6'6'' and 23 inches wide and 16-inch HD screen. United offers two daily flights between FRA-SFO through October 27, 2017. The 777-300ER will serve flights UA 58/59. This enhancement will offer a re-imagined travel experience when connecting to San Francisco via Frankfurt.