A total of 6,378 flights were delayed across the United States.
Chicago O’Hare saw the most cancellations and delays on Sunday, with about 12% of flights canceled and more than 40% of flights delayed.
Saturday saw a total of 657 flight cancellations and 7,267 delays within, to or from the United States.
American Airlines canceled 4% of its flights and 24% of its Saturday flights were delayed, according to FlightAware.
United saw 4% of its flights canceled and 23% delayed, followed by Delta with 2% canceled and 22% of its Saturday flights delayed, FlightAware notes.
41% of JetBlue flights and 36% of Southwest flights were also delayed on Saturday, according to the website.