As rain and thunderstorms pelt the East Coast on Thursday, air traffic controllers continue to call out of work in greater numbers after missing their first full paycheck, causing further delays.

Most controllers are continuing to work mandatory overtime six days a week during the shutdown without pay, the National Air Traffic Controllers Association said.

Air traffic controllers are under increased stress because of the government shutdown, government and union officials said.

More air traffic controllers are calling in sick, often to work another job to pay for groceries and medicines.

As rain and thunderstorms pelt the East Coast on Thursday, air traffic controllers continue to call out of work in greater numbers after missing their first full paycheck, causing…

Nearly 50% of 30 busiest airports facing absences as staff are forced to work without pay and shutdown hits 31st day

"After 31 days without pay, air traffic controllers are under immense stress and fatigue," the Federal Aviation Administration warned.

Half of major US airports are experiencing staff shortages and delays.