Some airports are seeing 4-hour wait times, according to TSA Deputy Administrator Ha Nguyen McNeill.
"I've NEVER seen Hartsfield Jackson this bad," one local reporter in Atlanta wrote.
The current government shutdown will become the longest in U.S. history if it continues into Wednesday.
Air traffic controllers are getting second jobs as the stress of not getting paid piles up.
Would you let your family fly out of Newark?
Fixing U.S. infrastructure costs money. The question is whether Congress will spend it.
The union for air traffic controllers says this is a bad idea.