Delta canceled 400 extra flights Tuesday as its troubles within the wake of the worldwide CrowdStrike-Microsoft IT outage dragged on for the fifth consecutive day.

Greater than 300 of the Atlanta-based service’s flights have been delayed Tuesday.

The continued points have prompted the Transportation Division’s Workplace of Aviation Shopper Safety to open an inquiry, citing “the excessive quantity of shopper complaints” it has obtained about points at Delta.

“We’ve made clear to Delta that they need to deal with their passengers and honor their customer support commitments,” Transportation Secretary Pete Buttigieg stated in an announcement. “This isn’t simply the best factor to do, it’s the legislation, and our division will leverage the total extent of our investigative and enforcement energy to make sure the rights of Delta’s passengers are upheld.”

Delta has been uniquely affected by the worldwide IT outage in contrast with different main carriers, who’ve largely resumed regular operations. In an announcement on its web site Monday afternoon, Delta estimated that greater than half of its IT methods worldwide depend on Microsoft Home windows.

Friday’s CrowdStrike error, it stated, “required Delta’s IT groups to manually restore and reboot every of the affected methods, with extra time then wanted for purposes to synchronize and begin speaking with one another.”

It continued: “Certainly one of Delta’s most important methods — which ensures all flights have a full crew in the best place on the proper time — is deeply advanced and is requiring essentially the most time and handbook help to synchronize.”

A Delta consultant didn’t instantly reply to a request for remark Tuesday.   

Social media has been stuffed with pictures of passengers stranded away from their locations. A further complicating issue has been coordinating flyers’ baggage as they search to rebook, mirrored in a major quantity of Delta’s social media staff responses on X associated to baggage points.

CEO Ed Bastian and Chief Data Officer Rahul Samant offered an replace in a video message to staff Monday.

Bastian stated that the corporate is working across the clock to get its operation again on monitor however that it’s going to take one other couple of days earlier than the worst is over.

“Immediately can be a greater day than yesterday, and hopefully Tuesday and Wednesday can be that significantly better once more,” he stated.