Hundreds of flights are getting canceled every day. Here's what to know about the 10% reduction caused by the government shutdown

Hundreds of flights set for Friday have been cut at major U.S. airports as part of the Federal Aviation Administration’s effort to phase in 10% reductions because of the government shutdown .

The FAA is imposing the reductions to take pressure off air traffic controllers, who are federal employees and have been working without pay during the shutdown.

In addition to reduced flight traffic, the shutdown has led to more flight delays , with experts advising travelers to check flight statuses before heading to the airport, among other tips .

Here’s a closer look at what to know about the reductions.

Which airports are affected?

The 40 airports selected by the FAA for reductions span more than two dozen states and include hubs such as Atlanta, Dallas, Denver, Los Angeles,