Qantas

 

Qantas Airways Limited is the flag carrier of Australia. The name was originally "QANTAS", an acronym/initialism for "Queensland and Northern Territory Aerial Services". Nicknamed "The Flying Kangaroo", the airline is based in Sydney, with its main hub at Sydney Airport. It is Australia's largest airline, and the second oldest in the world.

United Airlines

 

United Air Lines is a major airline based in the United States and one of the world's largest airlines

US Airways

US Airways, Inc. is a major airline based in the U.S. city of Tempe, Arizona. The airline is an operating unit of US Airways Group and is the 6th largest airline by traffic and 8th largest by market value in the country

US Airways operates major hubs in Charlotte, Phoenix and Philadelphia and maintains focus city operations at Ronald Reagan Washington National Airport.