Here are photos showing how the outage is affecting people and businesses worldwide.
Airlines, including United, Delta, and American, issued ground stops on Friday.Passengers wait at Barajas Airport in Madrid following the IT outage on Friday.
ELENA RODRIGUEZ/Reuters
European airlines Ryanair and KLM are also among those to be impacted by the outage.
Changi Aiport in Singapore — one of the world's busiest airports — said it was manually checking in the passengers of some airlines.Lines of people at Terminal 1 in Singapore's Changi Airport on July 19, 2024.
Aditi Bharade / Business Insider
A spokesperson for Singapore's Changi Airport told BI: "Due to a global outage affecting IT systems of many organizations, the check-in process for some airlines at Changi Airport is being managed manually."
This included the "issuance of boarding passes," the spokesperson said.
Whiteboards are being used at Changi Airport’s Terminal 1.A whiteboard displaying flight information in Terminal 1 of Singapore's Changi Airport.
Aditi Bharade
Local media reports also showed long lines at Changi Airport's check-in counters.
Major UK airports have reported issues, with some warning of delays and disruption.The flight check-in board at Stansted Airport shows "Please Wait" messages next to most of the scheduled flights.
Reem Makhoul/Business Insider
Major UK airports, Heathrow, Gatwick, and Luton, have all been affected.
A passenger at Luton airport, near London, shared photos of big lines.Long lines at Luton Airport, near London, on July 19, 2024, as airlines and other companies reeled from a mass IT outage.
Nick Xydias
At Luton Airport, near London, Nick Xydias told Business Insider he was stuck waiting for a Wizz Air flight to Larnaca, Cyprus.
"It's my birthday, and we'd booked a romantic trip with my wife. She'd got a new dress and everything," he told Business Insider from a winding and frustrated line of passengers on Friday morning.
Luton staff later wrote on X that some flights were affected but that the airport was still operating.
Passengers flying with Ryanair at Stansted Airport in the UK face long lines.Lines for Ryanair at Stansted Airport.
Reem Makhoul / Business Insider
Ryanair, Europe's largest airline, warned of "disruption across the network due to a Global 3rd party IT outage which is out of our control" and is advising passengers to head to the airport early.
The issue is impacting airports globally, such as Hong Kong International Airport and Delhi International Airport in India.Hong Kong Express Airways passengers line up at counters in Hong Kong International Airport amid system outages disrupting the airline's operations.
Tyrone Siu/Reuters
A passenger at the Rajiv Gandhi International Airport in Hyderabad wrote on X that he had been issued a hand-written boarding pass by Indian airline IndiGo.
Business Insider was unable to verify his account. However, IndiGo confirmed on X that its booking, check-in, and access to boarding cards process was impacted by the outage.
Grocery stores, retailers, and fast-food giants have also been impacted.A sign notifies customers of a temporary closure due to IT issues at a Liquorland store in Canberra, Australia.
Reuters
Australian grocery store chain Woolworths told BI that some stores had "been impacted as a result of the global IT issue." However, all but six stores were open, while some had fewer checkouts functioning.
A banner on Woolworths' website as of Friday said that it's "experiencing intermittent technical difficulties instore and online."
A spokesperson for UK grocery store chain Morrisons told BI that the chain was experiencing payment issues in some stores.Some checkout lanes at major retailers are out of use.
AAP via REUTERS
Social media users said Waitrose, an upmarket UK grocery store chain, was only taking cash payments because card machines weren't working.
News outlets were also affected by the outage.Sky News briefly went off air.
Jack Taylor/Getty Images
Sky News has been showing archive footage and briefly displayed an error message.
The news site appears to be up and running at the time of writing.
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