A back-up in the stormwater drainage system is being blamed, which damaged dozens of vehicles.
This tweet alleges far more vehicles were affected.
Some were lucky, including Curtis Wall, who was in Florida on business, who found his truck partially submerged, but was able to drive home.
Others, including Mark Musick, who had been in Chicago, found several inches of water in the floors of his SUV. Musick said, "I don't know what the insurance will do."
City officials say travelers affected by the flood should file a claim with their own insurance company plus with the City of Dallas Office of Risk Management.
The Airport Communication Center has a list of affected vehicles and owners can call 214.670.5683 or email email@example.com for more info.