“This weekend’s winter storm is expected to have a significant impact on our operation, especially at Charlotte International Airport (CLT),” American said in a statement.
The airline also issued a travel notice allowing customers affected by the weather to rebook flights without a fee.
Nearly 74 million people were under winter weather alerts Saturday evening, according to the National Weather Service.
The massive storm system is approaching the eastern United States from the Midwest and is expected to form crippling ice in parts of Georgia, Virginia and the Carolinas Sunday. The governors of those states have declared emergencies.
“This is by far going to be the biggest issue we encounter over the next 48 hours: ice, and a lot of it,” CNN meteorologist Allison Chinchar said Saturday morning.
Martin Luther King, Jr. Day on Monday, January 17, is a federal holiday, with many schools and offices closed.
American isn’t the only carrier canceling flights. As of 4:30 EST Saturday, Southwest canceled 164 flights, or 4% of its operations according to FlightAware, while Delta Air Lines canceled 153 flights, or 7% of its operation.
Other airports in the Southeast also face significant cancellations on Sunday, such as Raleigh-Durham International Airport in North Carolina has canceled more than half, or 74, of its flights that day. Atlanta’s Hartsfield-Jackson International Airport has canceled 19%, or 155, of its flights Sunday.
Saturday saw more than 400 cancellations and 2,000 delays in the United States as the storm moves to the South.
CNN’s Jason Hanna, Hannah Gard, Alanne Orjoux and Chris Isidore contributed to this report.
