Qantas and Jetstar have cartel approval from the ACCC
http://registers.accc.gov.au/content/trimFile.phtml?trimFileTitle=D12+98760.pdf&trimFileFromVersi onId=1107134&trimFileName=D12+98760.pdf
https://www.accc.gov.au/media-release/accc-authorises-coordination-between-jetstar-joint-ventures