Additionally, DOT and the National Association of Air Traffic Controllers, the air traffic controllers' union, struck a deal for further incentives to keep senior controllers in the ranks for longer.

The FAA is rolling out financial incentives for air traffic controllers to boost recruitment and retention efforts amid a workforce shortage.

Air traffic control is a demanding career. Only 57% to 73% of trainees graduate, but those who do can earn an average pay of $160,000, before bonuses.