Travelers are being warned to arrive three hours before their flights at Baltimore/Washington International Thurgood Marshall Airport (BWI) on Sunday evening. The warning comes as the airport closed two of its security checkpoints,

Flight chaos returned to California on Sunday as huge lines formed at TSA checkpoints amid a spiraling funding crisis. Passengers were stuck in two-hour waits at San Diego International Airport as the 40-day Homeland Security shutdown wreaked havoc across the country.

The DHS shutdown has created travel chaos for flight passengers as a Philadelphia airport closes security checkpoints. Long wait times are reported at major airports amid the crisis.

TSA PreCheck is a trusted traveler program that allows approved passengers to use expedited security lanes at participating U.S. airports. Travelers in PreCheck lanes typically do not need to remove shoes, belts, light jackets, laptops or compliant liquids during screening.

Experts said it’s hard to predict where the lines will be the longest at any given time because much of the problem stems from TSA personnel not showing up for their shifts. The roughly 50,000 federal workers who screen passengers and bags have been working without pay while lawmakers fail to agree on funding the Department of Homeland Security .

Philadelphia International Airport announced Wednesday it was temporarily closing two more Transportation Security Administration checkpoints due to ongoing TSA staffing shortages

Half of the security checkpoints at Phoenix Sky Harbor International Airport's busiest terminal were closed Friday morning due to staffing shortages.

Two major security checkpoints are closed at Sky Harbor’s Terminal 4 due to staffing issues amid the ongoing partial government shutdown.

Across the country, collections are popping up to help Transportation Security Administration officers who have been without full pay for more than a month

The weekend travel crunch is being felt in Atlanta on Friday, where the continuing partial shutdown and TSA staffing shortage is resulting in huge wait times.