The Federal Aviation Administration says it plans to reduce air traffic by 10% across 40 “high-volume” markets beginning Friday morning to maintain safety during the ongoing government shutdown.

The Federal Aviation Administration has required airlines to cut flights to reduce the strain on air traffic controllers, who have gone weeks without a paycheck.

The Federal Aviation Administration is cutting 10% of flights at many of the nation's busiest airports across the country starting Friday. This includes Logan International Airport in Boston, which could affect some Massachusetts residents.

On Thursday afternoon, long security lines stretched through the terminal; lines that airport staff said look more like early morning crowds than midday traffic.

As the government shutdown continues, causing flight delays and prompting an unprecedented move by the Federal Aviation Administration to reduce flights by up to 10% at 40 major airports nationwide, the security gates at San Francisco International Airport remain intact.

The Federal Aviation Administration on Thursday (November 6) was working to hammer out details of an unprecedented plan to cut 10% of flights at 40 high-traffic U.S. airports to address safety concerns regarding air traffic controllers amid a record-setting federal government shutdown.