Prime Minister Scott Morrison has promised the scheme will be reviewed at the end of June, and also hinted it could be extended to more vulnerable industries.
Jetstar says it will cancel 90 flights over the weekend of December 14/15 in response to protected industrial action by the pilots union the AFAP.
The Australian Federation of Air Pilots says Jetstar pilots plan to hold a limited number of four-hour work stoppages on December 14 and Sunday December 15.
Tigerair Australia says it has rescheduled a number of flights on Friday morning ahead of a planned four-hour work stoppage by the airline's pilots.
Pilot groups have criticised the federal government's labour agreement with Qantas that allows the airline to bring in overseas pilots and instructors to support its training needs.