US winter storm: 1,897 flights into, out of, or within the US were cancelled overall; 750 planes had delays. New Delhi: Following an ice storm that affected regions from Texas to West Virginia on Wednesday, airlines in the US cancelled more than 1,800 flights. As of 8:41 a.m. ET, the flight-tracking website FlightAware reported that 1,897 flights into, into, or out of the United States were cancelled and 750 planes were delayed. American Airlines Group Inc. (AAL.O) stated in a statement that "this week's winter storm is having an impact on our operations, accounting for a large number of cancellations," adding that it proactively cancelled flights and informed passengers.In a tweet on Tuesday, the Federal Aviation Administration (FAA) advised travellers to expect snowy weather in various locales, including Dallas, Fort Worth, and Memphis, which might cause some flights to be delayed. The U.S. National Weather Service stated in its forecast discussion for the Dallas-Fort Worth, Texas, area that "the current winter storm will continue to deliver severe consequences to North and Central Texas until at least early Thursday morning." American Airlines, located in Fort Worth, Texas, took the lead in flight cancellations with roughly 800, followed by low-cost airline Southwest Airlines Co. (LUV.N) with 501. A request for comment from Reuters was not immediately answered by Southwest. The most recent cancellations occur over a month after Southwest received criticism from the U.S. government for cancelling 16,700 flights during the Its crew scheduling system was overloaded over the holidays and inclement weather.