Delta Air Lines will begin canceling and reducing flights starting Nov. 7 in response to federal flight restrictions tied to the government shutdown.

Airlines nationwide are working to reassure travelers as the FAA orders a 10% cut to flights nationwide due to staffing shortages.

Delta Air Lines (DAL) is adjusting its flight schedule at 40 major U.S. airports because of air traffic control staffing shortages related to the ongoing government shutdown. The company is implementing capacity reductions to address these operational hurdles.

The House is set to take up a bill to reopen the government after it passed the Senate. Airlines for America said flight schedules cannot “bounce back” immediately.

Delta Air Lines will comply with an FAA order to cut flights at 40 major U.S. airports starting Friday, likely including Atlanta’s Hartsfield-Jackson, while offering flexible options for travelers affected by the reductions.

Starting Nov. 4, the FAA mandated airlines cut 4% of flights at 40 airports across the United States. The number of canceled flights is expected to rise.

The FAA will reduce air traffic at 40 airports following the staffing shortages among air traffic controllers.