A look at arrivals and departures from Hartsfield-Jackson Atlanta International Airport on Friday afternoon showed several delays and a few cancellations as a mandated reduction in flights began its first day.

Delta Airlines said in an update that it expects the “vast majority” of its flights not to be affected by the government’s decision and go ahead as scheduled. While complying with the government directive by reducing its domestic flights, its international flights won’t be affected.

Alaska Airlines is SFO’s second-largest airline, with a 10.4% market share at the airport. The Alaska Air Group also owns Horizon Air, which code-shares with the airline. Alaska told SFGATE it has decided to cut flights from its most popular routes, but declined to comment on how the flight disruptions would directly impact passengers at SFO.

As the Transportation Secretary told airlines to limit flights, the impact has reached Lubbock. Here's what to know.

Secretary of Transportation Sean Duffy said airlines are "going to lose millions of dollars" after the FAA instituted flight reductions due to the shutdown.