article_snippet: Dallas is forecast to experience sleet and ice which could cause problems at Dallas/Fort Worth International Airport, where more than 630 arrivals and departures were canceled or delayed yesterday.
article_snippet: Altogether, nationwide, more than 3,800 flights were delayed, according to website FlightAware. 
article_snippet: At least 1,750 were canceled.
article_snippet: It is expected that another 2,000 flights will be delayed due to bad weather today.