Travelers can expect more cancellations next week as Irma heads toward the world's busiest airport.
The latest National Oceanic and Atmospheric Administration forecast shows Irma weakening to a tropical storm and passing over northwest Georgia on Tuesday morning. While it would be a weaker storm at that point, it could still disrupt operations at Hartsfield-Jackson Atlanta International Airport.
As a tropical storm, Irma could bring winds strong as 73 miles per hour. The size of the plane and direction of the wind can determine whether a plane can take off or land in heavy winds. A spokesman for Miami International Airport says air traffic control closes if there are sustained winds of 55 miles an hour or higher.
More than 104 million travelers passed through Atlanta's airport last year, making the Delta Air Lines hub the world's busiest for passenger traffic, according to Airports Council International. Nearly 2,500 planes take off and land from the airport each day.