A computer glitch caused more than 1,500 U.S. airlines to cancel flights for the third consecutive day

The flight-tracking website FlightAware.com reported that more than 1,500 U.S. flights were canceled on July 21—the third consecutive day following a global computer system outage.

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A computer network outage caused by a Microsoft cloud service failure has significantly disrupted shipping services in many countries. Although authorities have announced that the outage has been resolved, the repercussions continue to be felt.

According to the flight-tracking website FlightAware.com, more than 1,500 U.S. flights were canceled on July 21—the third consecutive day as airlines continue to recover from a computer glitch.

The website also reported that more than 1,000 Delta Air Lines flights had been canceled. On July 21, Delta Air Lines stated that it was continuing its efforts to recover from a technical glitch that had caused delays and cancellations.

The airline is contacting affected customers directly to provide travel credits and SkyMiles. In an update sent to Delta customers on the afternoon of July 21, Delta Air Lines CEO Ed Bastian stated that the airline is still working to restore its systems and operations.

“Canceling flights is always a last resort and something we cannot take lightly,” said CEO Bastian.

According to FlightAware, on July 20, 2,136 flights were canceled and more than 21,300 flights were delayed.

This issue is having a widespread impact on many other sectors around the world. Businesses, government agencies, health and emergency services, banks, schools, and universities worldwide have had to suspend operations or have experienced service disruptions.

According to Microsoft, the outage affected approximately 8.5 million devices running the Windows operating system.

George Kurtz, CEO of CrowdStrike, apologized to customers and said a fix had been deployed, but experts noted that restoring the system to normal operation would be a lengthy process.

The aftermath of the global computer system outage

Major airlines have also confirmed that services are being restored, but delays and disruptions are still occurring.

In a statement, the airline said that most of United Airlines’ systems had recovered following the outage that began on July 19, but flight delays and cancellations continued to occur in the days that followed. According to FlightAware.com, more than 400 United flights were canceled on July 20, and approximately 200 flights were canceled on July 21.

Last weekend, Delta Airlines announced that it would suspend flights carrying unaccompanied minors until July 24. Unaccompanied minors who have booked seats on Delta flights will not be able to board their flights as scheduled. The airline has asked passengers not to book new flights in this situation.

Similarly, American Airlines also stated that “we can safely resume operations” and that the airline has “issued travel waivers for customers affected by the technical issue.”.

In a statement released on July 19, Allegiant Air emphasized that while “normal operations have resumed” following the suspension, the company is still processing backlogged customer messages and resolving issues with its programs and platforms.

Flight cancellations continued at the world’s busiest airport—Atlanta’s Hartsfield-Jackson International Airport—on July 21. Officials there have prepared “crisis response plans” and are ready to make concessions to assist passengers affected by the computer glitch.

David Kennedy, co-founder of cybersecurity firm Binary Defense, noted that even if the faulty software update has been rolled back, this is not a quick fix for airlines, as computers at thousands of gates will need to be manually restarted one by one.

“It’s not as simple as just rebooting. There are many steps and complexities involved,” Mr. Kennedy said.

On July 19, the U.S. Department of Transportation announced that it had determined that flight delays and cancellations caused by system outages were “manageable.” In such cases, airlines “must adhere to their customer service commitments.”.

Transportation Secretary Pete Buttigieg said he had received reports that some airlines were only compensating passengers for canceled flights.

“Let me be clear: customers have the right to an immediate refund if their flight is canceled and you do not rebook them,” Secretary Buttigieg emphasized./.

According to To Quoc

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Author: Tony Do

I am Tony Do, Co-Founder of EZ Fast Tech and holder of a Master of Science in Machine Learning & AI (Liverpool John Moores University). With over 15 years of technical leadership experience in demanding markets such as Singapore, the UK, and the UAE, I specialize in designing complex web and mobile systems and ensuring data security. I am directly responsible for shaping the technology strategy and developing customized solutions for clients at EZ Fast Tech.

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