The uneven delays are being driven by a mix of factors, including a partial government shutdown that has strained Transportation Security Administration staffing, along with heavy spring break crowds. The result is a patchwork of conditions that can shift quickly, even within the same airport.

Travelers are facing long lines at airports due to the partial government shutdown. Here's that latest TSA wait times at Newark, JFK and LaGuardia.

Security lines are growing at airports nationwide as roughly 10% of TSA officers call out sick each day and hundreds more quit while working without pay during the government shutdown. At Atlanta’s airport,

More than a third of the security screeners at Hartsfield-Jackson Atlanta International Airport didn’t show up to work Tuesday, the airport’s general manager said, causing passengers to have to wait in line for up to two hours.