The private equity firm has tried to buy airlines in the past.

Nigel Wright, Prime Minister Stephen Harper's former chief of staff, has returned to Onex, the private equity group he worked

We've got to come clean about the unethical use of our retirement funds. There isn't enough money to expand the Canadian Pension Plan because the surplus was earmarked to boost the military-industrial complex. When our hard-earned money isn't being used to cause bloodshed, it's going to companies affiliated with the CPP's own CEOs and the Alberta oil sands.