United retires its last Boeing 747 flight after 47 years
United Airlines retired its last Boeing 747 flight, often called the 'Queen of the Skies,' on Tuesday after 47 years. The San Francisco-Honolulu flight featured a 1970s-inspired menu and crew uniforms. Tickets for the farewell flight cost up to $550 (approximately â¹35,700), and had sold out within hours.