The FAA-mandated flight cancellations will ramp up to 10% by Nov. 14.

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Travelers at Miami International Airport express frustration after more than 1,000 flights were canceled and over 5,000 delayed.

“I’m a little worried,” said one woman traveling to the Dominical Republic to visit family. The FAA-mandated flight cancellations could lead to a 10% reduction by Nov. 14.

Over 5,000 flights traveling into, out of and within the U.S. have been delayed as of this evening, according to FlightAware.com.

Hartsfield-Jackson Atlanta International Airport is in the lead with almost 600 flights delayed and over 150 canceled. Charlotte Douglas International Airport is in close second, with almost 400 delays and over 130 cancellations.

In terms of airlines, SkyWest has canceled 188 flights and delayed 241 so far today, while Delta Air Lines has canceled 114 and delayed 748.

Departures to Hartsfield-Jackson Atlanta International Airport and Newark Liberty International Airport are delayed by over five hours, according to the Federal Aviation Administration.

Departures from the Newark airport are delayed by over two hours as well.

Also due to staffing, flights to John F. Kennedy International Airport are delayed by almost three hours, while flights leaving the airport are delayed by almost two hours, according to the FAA.