Delta’s IT system outage this month affected hundreds of thousands of passengers over four days. Drew Angerer / AFP
Delta’s IT system outage this month affected hundreds of thousands of passengers over four days. Drew Angerer / AFP

Why US airlines are set to suffer more disruptions



Airlines will probably suffer more disruptions such as the one that grounded thousands of Delta flights around the world last week because major US carriers have not invested enough to overhaul reservations systems based on technology dating to the 1960s, airline industry and technology experts say.

Airlines have spent heavily to introduce new features such as automated check-in kiosks, real-time luggage tracking and slick mobile apps. But they have avoided the steep cost of rebuilding their reservations systems from the ground up, former airline executives say.

Scott Nason, a former chief information officer at American Airlines, says long-term investments in computer technology were a tough sell when he worked there.

“Most airlines were on the verge of going out of business for many years, so investment of any kind had to have short pay-back periods,” says Mr Nason, who left American in 2009 and is now an independent consultant.

The reservations systems of the biggest carriers mostly run on a specialised IBM operating system known as Transaction Processing Facility, or TPF. It was designed in the 1960s to process large numbers of transactions quickly and is still updated by IBM, which did a major rewrite of the operating system about a decade ago. A host of special features, ranging from mobile check-ins to seat selection and cabin upgrades, are built on top of the TPF core, or connected to it.

“They have surrounded that old industry infrastructure with modern technology,” says Bob Edwards, United Continental’s former chief information officer until 2014. “Those systems have to always reach back into the old core technologies to retrieve a reservation or to figure out who flies between Dallas and New York City.”

When a power outage shuts off that reservations system – as happened on Monday last week to Delta Air Lines’ “Deltamatic” system – TPF falls out of sync with the newer technologies that passenger service agents use to assist travelers, Mr Edwards says. Airlines are then forced to cancel flights as demands from stranded customers flood their employees – who meanwhile are handling bookings on an older platform without their familiar, modern tools, he says.

Several years ago, it took United six hours to recover from a test shutdown, thanks to complications with the many add-ons built atop TPF, Mr Edwards says. Other recent disruptions include one in July that prompted Southwest Airlines to cancel more than 2,000 flights and two outages last summer at United Continental.

The Delta spokeswoman Kate Modolo says a small fire on Monday last week resulted in a “massive failure” at the airline’s technology centre. Delta was forced to cancel flights because critical systems did not switch over to backup power as intended, she says.

Reuters sent Delta and other major carriers detailed questions on TPF infrastructure and their technology investments. Ms Modolo did not answer whether Delta relies on TPF, but says “the functionality of the IT programs we use” was not an issue. She had no comment on whether Delta had decreased or increased its spending on back-end technology over the past decade.

“We have a new chief information officer who has a go-forward plan to ensure Delta is on the cutting edge of customer service technology while strengthening our IT infrastructure so that it is reliable, redundant and nimble,” she says.

Most big airlines, including the four largest in the United States – American, Delta, United and Southwest – rely on TPF in some form, industry experts says. Those airlines did not answer whether their ageing systems put them at risk of future disruptions, but all stressed that they were upgrading their technology and are focused on reliability.

Southwest, for example, says it is in the process of replacing its reservations system. The Delta chief executive Ed Bastian says: “Over the past three years, we have invested hundreds of millions of dollars on technology infrastructure upgrades and systems, including backup systems to prevent what happened yesterday from occurring. I’m sorry that it happened.”

US and Canadian airlines are projected to spend an average of 3 per cent of their revenue on information technology this year – compared with 8 per cent by commercial banks and 4 per cent by health-care firms, according to Computer Economics, a firm that tracks IT spending.

Mr Nason cautions that comparing technology spending by airlines to some other industries, including banking, can be tricky. Banks have lower capital costs and they rely more heavily on information technology for their core business.

Still, technology experts say that level of spending by the major airlines is not sufficient, pointing to the recent failures as evidence. Part of the challenge is that US airlines are under pressure from investors to top recent record profit and boost stock prices, even as economic troubles overseas have reduced travel demand. Delta, for example, is looking to boost its operating profit margin to between 17 per cent and 19 per cent by 2018. That is up from last year’s margin target of 14 per cent to 16 per cent.

Airlines have also held off on making major network upgrades out of fear that systems could fail during the transition, making them feel that they cannot afford to take them down to add equipment, install patches and perform other maintenance, says the Gartner analyst Mark Jaggers. Some consumer groups have called on airlines to do a better job at planning for disruptions such as the one last week at Delta, which affected hundreds of thousands of passengers over four days.

“It is unfair to the travelling public that the cost of under-investment in needed equipment be shifted and placed on the back of air travelers,” said the travel consumer advocates Paul Hudson and Charlie Leocha in a letter to the heads of the US transportation department and US Federal Aviation Administration.

Henry Harteveldt, the founder of the travel consultancy Atmosphere Research Group, says some airlines are choosing to risk outages that might cost them US$20 million to $40m rather than invest, for example, $100m on technology upgrades. He believes investors and the general public will apply increasing pressure on airlines to avoid outages at any cost.

“We cannot afford, as a nation, for any of our airlines to be rendered useless by a technology failure,” Mr Harteveldt says.

Yet it can be hard to convince airline management that the cost-benefit analysis justifies the major investments to make their computer systems truly fail-safe, says Mr Edwards.

“When fuel prices are low and there’s extra cash on hand, they want to spend it on the cool shiny things like planes and mobile apps,” he says. “Nobody gets excited about the data centre.”

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Company profile

Company name: Fasset
Started: 2019
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7pm Gates open

8pm Deansgate stage showing starts

9pm Parade starts at Manchester Cathedral

9.45pm Parade ends at Peter Street

10pm City players on stage

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Uefa Champions League final:

Who: Real Madrid v Liverpool
Where: NSC Olimpiyskiy Stadium, Kiev, Ukraine
When: Saturday, May 26, 10.45pm (UAE)
TV: Match on BeIN Sports

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A comparison of sending Dh20,000 from the UAE using two different routes at the same time - the first direct from a UAE bank to a bank in Germany, and the second from the same UAE bank via an online platform to Germany - found key differences in cost and speed. The transfers were both initiated on January 30.

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Route 2: online platform

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Total cost: Dh74.10, around 0.4 per cent of the transaction

Total received: €4,756

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