Airline resumes departures after a data-connection problem led to a pause

Southwest Airlines Co. decrease; red down pointing triangle flight delays persisted Tuesday, affecting over half the airline’s flights as it grappled with fallout from a technology problem that briefly halted its operation earlier in the day.

The Federal Aviation Administration said it had canceled Southwest’s pause in departures, which the airline had requested earlier in the day because of an internal technical issue at the carrier.

Southwest said it temporarily halted flights Tuesday to work through data-connection issues. The airline said a firewall supplied by a vendor went down and “connection to some operational data was unexpectedly lost.”

Excerpt from WSJ
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