Hold frequent press conferences predicting dark times ahead unless costs can be cut. Make threats about moving jobs offshore if cuts can not be made to expenditure. Award self big bonuses based on those cuts. Set up some subsidiaries within the company to compete with the legacy workers. Let them fight amongst themselves about who can do it cheapest and not lose their jobs creating disunity therefore reducing chances of anyone standing up to my bullying.
Continue this cycle until there is no meat left on the skeleton. Then parachute out and leave it to the shareholders to work out where their airline went.
After an extended holiday, come back as a consultant on 20K per day plus expenses to help solve the woes.
(Why change a proven model?)