According to Flightstats.com, there are 554 departures and 530 arrivals canceled at DFW Airport. American Airlines has also canceled 432 flights nationwide while regional carrier American Eagle has canceled 495 flights, the aviation website said.
American Airlines said operations at DFW Airport have stopped so crews can clear runways.
"DFW departures have been halted until after 1:30 p.m. in order to allow American and DFW Airport authorities to clear runways and ramp areas. American is working diligently to accommodate customers as quickly and safely as possible," American said in a news release.
Customers are encouraged to check their flight status before heading out to the airport and are able to rebook their travel plans without incurring rebooking fees, American said.