. . "United European Airways" . . . "-1.0E9" . . . . . . "United Air Lines" . . . . . . . . . . . "United Airlines Ventures" . . . . . "Ignited Airlines" . . . . . "United_Airlines#Chelsea_Food_Services" . . . . . . . . . . . . "Polaris" . . . "84100" . . . . "1926-04-06" . "United Continental Holdings" . . . . . . . . . "Southwest Airlines, United Airlines" . . . . . . . . . . . . . "1931-03-28" . . . . . . . . "United" . . . . . . . . . . . . "-2.0E9" . . . . . . . . "UAL" . . . "Friendship One" . . . . "United Airlines#OnePass" . . . . . . . . . . "Southwest" . . . . . . . . "relocation" . . . . "United Express" . "United Air Lines's" . . . . "United Airlines" . "United Airlines" . . . . . . . . . . . . . . . . . . . . "United Airlines \u2660" . . . . . . . . . . . . . . . . . . . . . . . . "United Air Lines Transport Corporation" . . . . . . . . . "United AirlinesBerry" . . . . . . . . . . . "UA" . . . . . . "United p.s." . . . "United Arabian Airlines" . . . . . . . "6.82E10" . . . . . . . . . . . . . "United Airlines'" . . . . . . . . . . . "UAL" . . . . . . . . . . . . . . . . . . . . . . . "United Air Lines, Inc." . . . . . . . . . . . "United Airlines" . . . . . . . . . . . . . . . "United Club" . . . . . . . "1926" . . "Boeing Air Transport" . . . . . . . . "United Air Lines Transportation Company" . . . . . . "United Arab Airlines" . . . "2.46E10" . . . . . "Air Canada, United Airlines" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "United Airlines#Cabin" . . . "5.0E9" . "UA" . . . . . . . . . . "airline" . . . . . . . . . . . "United Airlines, Inc." . .