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Chaos at airports: cyber attack causes massive travel delays!
Cyber attack on IT service providers disrupts air traffic in Europe, especially at airports in Dublin, Berlin and London. Find out about the current impacts and what passengers should be aware of.
Chaos at airports: cyber attack causes massive travel delays!
A cyber attack on the IT service provider Collins Aerospace has had a serious impact on air traffic in Europe. On Sunday, September 22, 2025, several airports, including Berlin, Brussels, Dublin and London Heathrow, reported significant disruptions to passenger processing. Affected airlines sometimes had to resort to manual alternative solutions to enable the issuance of boarding passes. Passengers are encouraged to allow extra time, particularly when checking in baggage and checking in on-site Bietigheim newspaper reported.
A total of 13 flights were canceled in Dublin by midday. Passengers at London's Heathrow Airport have been informed that work to resolve the disruption is ongoing. Although the majority of flights in London were already back on schedule, the airport also discovered that its IT system was compromised during the attack. Collins Aerospace confirmed the “cyber-related disruption” and is working hard to resolve it.
Consequences for air traffic
At Berlin Airport (BER), connections to the affected systems were temporarily cut off. Staff had to resort to paper lists and pens to enable manual check-in and boarding. However, online check-in continued to work, which made check-in easier. Wheelchair users, parents with strollers and passengers with bulky luggage must continue to use the counters as they cannot access the machines.
- Flughäfen mit Störungen: Berlin (BER), Brüssel, Dublin, London Heathrow
- Flughäfen ohne Beeinträchtigungen: Frankfurt, München, Düsseldorf, Hamburg, Hannover, Dresden, Leipzig/Halle, Nürnberg, Bremen, Köln
The effects of the cyber attack are also reflected in the fact that Münster Airport was hit on Friday evening, but was able to switch to its own IT solution within 30 minutes so that there were no negative effects on passengers. These incidents shed light on overall aviation safety. According to a report by Thales, the number of cyberattacks in the aviation sector increased by 600 percent in 2025 compared to 2024. All links in the air transport chain, including airlines, airports and suppliers, are vulnerable.
The exact background to the attack is still unclear, but the ongoing efforts of IT service providers and airports underline the urgency of strengthening security measures. The situation remains tense and passengers are still required to keep themselves informed about the latest developments in order to ensure a smooth journey BR.de reported.