I flew on a Korean Air Boeing 747-8 from Atlanta to Seoul Incheon in First Class. This is the current longest Boeing 747 flight in the world with over 7,100 miles and with 15-16 hours of flying time.
The new Korean Air Lines lounge at LAX actually is three lounges on two floors, with lounges for Miler members, Prestige flyers and an elevated lounge for First Class.