The US is struggling to hire air traffic controllers. A surprising age limit and grueling schedules could fuel the problem

Millions of travelers rely on air traffic controllers every day to orchestrate high-speed maneuvers and help prevent planes from crashing. But a critical shortage has forced many to work “six days a week, 10 hours a day – for years at a time.”

​ Millions of travelers rely on air traffic controllers every day to orchestrate high-speed maneuvers and help prevent planes from crashing. But a critical shortage has forced many to work “six days a week, 10 hours a day – for years at a time.” Read More Breaking News, Latest News and Videos | CNN