Qantas is the flag carrier airline of Australia. The name was originally "QANTAS", an acronym for "Queensland and Northern Territory Aerial Services". Nicknamed "The Flying Kangaroo", Qantas is Australia's largest airline, and the second oldest in the world. Founded in November 1920, it began flying international services in May 1935.

The airline is based in the Sydney suburb of Mascot with its main hub at Sydney Airport. Qantas has a 65% share of the Australian domestic market and carries 18.7% of all passengers travelling in and out of Australia.