Which airports and airlines have been affected by the outages? | CNN (2024)

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Many flights across the world have been delayed or canceled Friday because of a major IT system failure.

All flights for US carriers United Airlines, Delta Air Lines, and American Airlines were grounded early on Friday before operations started ramping up again.

American Airlines has confirmed that is has resolved the issue affecting its operations, while Delta and United have resumed some flights.

The Federal Aviation Administration provided assistance to airlines with ground stops as the IT issue was being addressed, the agency said early Friday morning on X.

“Currently FAA operations are not impacted by the global IT issue,” the FAA posted later on Friday. “We continue to monitor the situation closely.” The agency also said the IT issue “could continue to affect flights this weekend.”

As of midday Friday, thousands of flights had been canceled globally, with chaotic scenes at airports across the world as passengers waited for updates.

Here are some of the major airlines and airports that have been impacted by the tech outage:

Impacted airlines and airports

The situation is evolving quickly, and passengers should check flights directly with carriers. The following are some of the carriers and airports with known technology impacts:

North America

American Airlines, United Airlines and Delta Air Lines were all impacted and issued travel waivers on Friday.

“Earlier this morning, a technical issue with a vendor impacted multiple carriers, including American. As of 5 a.m. ET, we have been able to safely re-establish our operation. We apologize to our customers for the inconvenience,” American Airlines said in a statement to CNN.

Delta and United resumed some flights Friday morning and warned of additional disruptions throughout the day.

“The issueaffected many separate systems, such as those used for calculating aircraft weight, checking in customers, and phone systems in our call centers,” United Airlines said in a midday update.

Ultra-low cost airline SunCountry, Allegiant Air, Frontier and Spirit Airlines were experiencing disruptions caused by the outage on Friday.

Southwest Airlines and JetBlue were not impacted by the outage.

“While our operational systems were not impacted by this outage, customers should monitor their flight status and build in extra time in the event that this outage has impacted specific airports due to outages at other airlines, airport operators, or government agencies,” JetBlue said in a statement.

Toronto-based Porter Airlines announced that it was canceling flights on Friday until noon ET due to “prolonged third-party technology systems outages affecting multiple global industries.

Two low-costairlines in Mexico City, Volaris and Viva Aerobus, were also impacted.

Passengers traveling through Los Angeles International Airport are experiencing a “mixed bag” of delays and cancellations due to the tech outage, an airport spokesperson told CNN.

At Hartsfield-Jackson Atlanta International Airport airside operations are working, although some customer-facingairlines “are dealing with a few challenges,” amid the ongoingglobalcomputer outage, Andrew Gobeil, who oversees public affairs outreach at the airport, told CNN.

At Dallas Fort Worth International Airport officials “anticipate significant delays and cancellations throughout the day,”the airport said. “We ask customers to verify your flight status with yourairlineprior to heading to the airport. Longer lines are possible so allow extra time.”

Chicago O’Hare International Airport advised passengers to check their flight status directly with their carrier due to the tech issues. “Longer lines and wait times are possible, please allow extra time,”it said.

John F. Kennedy International Airport said: “The Port Authority is not affected by the ongoing global network outage, but someairlines are experiencing delays/cancellations. DO NOT head to the airport unless your flight status is confirmed,”according to an airport post on X. That guidance applies to LaGuardia and Newark airports as well.

Philadelphia International Airport said passengers should expect delays and cancellations on Friday.

Charlotte Douglas International Airport advised passengers not to come to the airport “unless they have confirmed their flight information with theairline.”

Miami International Airportadvisedthat US Customs and Border Patrol operations are being affected nationwide, “so international passenger arrivals are currently being processed manually at a slower pace.”

Which airports and airlines have been affected by the outages? | CNN (1)

Passengers and airline pilots wait at Newark International Airport after United Airlines and other airlines grounded flights because of a worldwide tech outage.

Around the world

Asia Pacific

In the Asia Pacific region, AirAsia’s “core reservation and check-in system” was impacted and Cebu Pacific Air was forced to handle all processes manually.

Singapore Airlines, the flag carrier of Singapore, said none of its flights had been impacted, but it is experiencing technical difficulties.

Qantas, the flag carrier of Australia, has also been impacted by IT disruptions, and was still operating Friday, but with delays.

Taiwan’s Taoyuan International Airportsaid severalairlines at the airport had been impacted.Jetstar, Hong Kong Express, Jeju Air and Scoothave all resorted to manual check-ins, the airport said.

Delhi’s Indira Gandhi International Airportand six Indianairlines have also reported technical difficulties.Jaipur International Airportsaid “flights nationwide” have been affected by the outage.

South Korea’s Incheon International AirportsaidAir Premia,Easter Jetand several otherairlines had been affected.Korean Air,the country’s flagship carrier, said it uses Amazon Web Services (AWS) and so had not been affected.

Which airports and airlines have been affected by the outages? | CNN (2)

Long queues of passengers form at the check-in counters at Ninoy Aquino International Airport in Manila, Philippines on July 19.

Middle East

Dubai International Airportsaid the check-in process for someairlines had been affected, but that it is “now back to operating normally.”

Europe

London’s Gatwick Airportsaid it is “affected by the global Microsoft issues” and that passengers may experience delays checking in and going through security.

Germany’s Berlin Airportsaid it is experiencing delays to check-in due to a “technical fault.”

Amsterdam’s Schiphol Airportsaid the “global system failure” had affected “flights to and from Schiphol” and the impact is “now being mapped.”KLM Royal DutchAirlinessaid the outages are “making flight handling impossible.”

Scotland’s Edinburgh Airportsaid the outages mean “wait times are longer than usual at the airport.”

Spain’s airport authority, AENA, which supervises airports in Madrid, Barcelona and others across the country said the outage “could cause delays” and that its staff are working to solve the problems.IberiaAirlines, the flag carrier of Spain’sairline, told CNN their systems started working again at 9:30 a.m. local time (3:30 a.m. ET), adding there were still some delays.

Prague Airportsaid the issues have affected its global check-in system, delaying flights.

Ireland’s Ryanairalso confirmed a disruption to theairline’s network, advising passengers to arrive at least three hours before their scheduled departure time.

Air France,the country’s flag carrier, said the IT issue had disrupted its operations — although flights already in the air are not affected.

TurkishAirlinessaid it was experiencing problems with ticketing, check-in and reservations.“Our teams are working diligently to resolve the issue,” theairlinesaid.

Central and South America

Panama-based CopaAirlines said it is also one of the globalairlines impacted and some flights might be delayed following the large-scale third-party software outage, according to a post on X on Friday.Theairlineasked passengers to “go to the airport at least 4 hours before your departure.”

LATAM Airlines, the Chilean carrier, announced on Friday that global outages “could be causing delays” for some its flights.

Which airports and airlines have been affected by the outages? | CNN (2024)

FAQs

Which Airlines were affected by the outage? ›

The outage caused problems with booking, check-in and issuing boarding passes, leading to flight delays and cancellations. American, United Airlines, Frontier Airlines, Sun Country Airlines and Allegiant Air all experienced issues in addition to Delta.

What Airlines are not affected by Microsoft outage? ›

While other airlines, like Frontier, JetBlue and Southwest, were not directly affected by the global outage, issues at affected airports still resulted in delays for some of those carriers' flights.

Has Southwest been affected by outages? ›

Southwest Airlines was reportedly never affected by the outage and has been able to fly its planes without issue. Amid all the outage-related chaos, this was a perfect opportunity for viral memes and TikToks to be born.

Why is Delta having so many cancelled flights? ›

While many airlines large and small had the CrowdStrike problem affect computers that were supposed to check in passengers, it appeared that Delta might have been the one airline that had its crucial crew scheduling software affected.

Is Delta Airlines back to normal? ›

Operational reliability returned to normal Thursday morning, with zero canceled mainline and Delta Connection flights.* Normal operations are expected to continue Friday and beyond. Major initiatives at all Delta hubs are still underway to reunite customers with bags, by ground delivery or via operating flights.

Why is Delta having issues? ›

The problems stemmed from a software update issued late Thursday night by cybersecurity firm CrowdStrike that crashed Windows software. A cascade effect caused problems throughout the global airline industry last Friday.

Was Spirit Airlines affected by outage? ›

However, Spirit Airlines passengers have also been having a hard time during the tech outage. "It was the worst airport experience that I've ever had in my life, (and) I'm not a spring chicken," said Karen Lelonek, a Spirit customer from Newark.

Is it safe to fly on Southwest right now? ›

There are currently no travel advisories.

Why are some Southwest flights unavailable? ›

So flights that showed available a few days ago, and are still scheduled but show as unavailable, likely hit the threshold where the airline won't sell anymore seats on them. Since people cancel reservations all the time, you could keep checking to see if that happens on your desired flight.

Has Delta recovered from outage? ›

Operations resumed as normal on Thursday, July 25. The airline is refunding customers whose travel was disrupted.

What happens if a Delta flight is cancelled due to weather? ›

If there is a flight cancellation or significant delay (>120 minutes), you will be rebooked on an alternative flight, or your ticket will be converted to an eCredit for future travel.

Why is Delta Airlines being investigated? ›

U.S. regulators are investigating why Delta Air Lines failed to recover as quickly as other airlines from a global technology breakdown and whether Delta's treatment of passengers stranded by canceled and delayed flights violated federal rules.

What airlines were impacted by CrowdStrike? ›

Delta and its regional affiliates accounted for about two-thirds of all cancellations worldwide Monday, including nearly all the ones in the United States. United Airlines was the next-worst performer since the onset of the outage, canceling nearly 1,500 flights.

What flight company has gone bust? ›

British regional airline Flybe ceased operations in early March. The 40-year-old airline shut down after a prolonged financial struggle, but a decrease in bookings caused by COVID-19 anxieties pushed it over the edge. It wasn't the first European airline to collapse this year — Air Italy folded in February.

Is Delta Airlines affected by CrowdStrike? ›

Delta Air Lines is under investigation by the U.S. Department of Transportation's Office of Aviation Consumer Protection as the airline scraps hundreds of flights for a fifth straight day after a faulty software update from cybersecurity company CrowdStrike took down Microsoft systems around the world.

Why are flights cancelled flights? ›

There are several reasons why flights may be canceled, including bad weather, air traffic restrictions, lack of airplane or staff, technical problems, and low passenger numbers.

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