Delta Flight Disruptions Probed by US After Deluge of Complaints

Delta Air Lines Inc. is under investigation by US transportation authorities over its handling of a technology glitch that has led to thousands of canceled flights.

The Department of Transportation opened a probe “to ensure the airline is following the law and taking care of its passengers during continued widespread disruptions,” US Transportation Secretary Pete Buttigieg said Tuesday in a post on X. The flight disruptions prompted 3,000 passengers to file complaints with the federal department, he told reporters in a later briefing.

The decision adds to the strain on the carrier after it said a day earlier that it ...