Severe Weather Causing Thousands Of Flight Delays

(Undated) -- Severe weather across a large portion of the United States is creating havoc for air travelers. FlightStats.com reports more than seven-thousand flights were delayed and another 560 cancelled at airports across the country today. Strong storms from Texas to Missouri are behind most of the problems. The National Weather Service says storms may also spawn tornadoes tonight across the mid-Mississippi and Ohio River Valleys.