Delta Airlines passengers line up for agent assistance at Hartsfield-Jackson Atlanta International Airport on July 22, 2024 in Atlanta, Georgia. The U.S. Department of Transportation's Office of Aviation Consumer Protection is investigating Delta Air Lines over chaos sparked by last week's global IT outage, according to a statement. The DOT cited widespread flight disruptions and customer service failures in which Delta did not uphold commitments to its passengers, it said. On Tuesday, 12% of Delta flights were canceled and 13% were delayed as of mid-morning, according to FlightAware, with some passengers still stranded in airports even days after the outage. The DOT penalized the airline $140 million, a sum 30 times larger than any previous consumer protection violations penalty from the department.

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Persons: Pete Buttigieg, Ed Bastian, Rahul Samant, Bastian Organizations: Delta Airlines, Hartsfield, Jackson Atlanta International Airport, The U.S . Department of Transportation's, of Aviation, Protection, Delta Air Lines, Delta, Microsoft, Social, Southwest Airlines Locations: Atlanta , Georgia, The, Atlanta and Minneapolis