Southwest Airlines resumes operations after 'data connection issues' snarl flights nationwide

(NEXSTAR) – Southwest Airlines has blamed "data connection issues resulting from a firewall failure" for interrupting the carrier's nationwide operations on Tuesday morning.Operations have since resumed, the airline said."Early this morning, a vendor-supplied firewall went down and connection to some operational data was unexpectedly lost. Southwest Teams worked quickly to minimize flight disruptions," a representative for Southwest wrote, in part, in a statement shared with Nexstar."We as