Cyberattack disrupts check-in systems: European airports

John Gradek, an aviation analyst, states cyber attacks within the aviation indusattempt ‘have to be addressed’ by suppliers, airlines, and airports.

European airports were starting to recover on Sunday from a cyberattack affecting their check-in systems that has caapplyd flight cancellations and huge delays for thousands of passengers over the past two days.

While Brussels airport declared almost one-fifth of Sunday’s scheduled departures had been cancelled, other affected hubs declared their schedules were receiveting back to normal.

London Heathrow and Dublin airports declared they were managing passenger flows while they tested to resolve the problem with the software.

Dublin airport declared it expected to function normally throughout Sunday.

Its “team is continuing to support airlines today as they deal with the ongoing disruption caapplyd by a Europe-wide technical issue that is impacting on their check-in and boarding systems,” it declared in a post on X.

Heathrow Airport declared in a statement the “vast majority of flights” continued to be operated thanks to collaboration with the airlines.

A Brussels airport spokeswoman declared 45 of 257 departing flights had been cancelled and passengers could expect delays of “between 30 and 90 minutes”.

Airports launched reporting problems with passenger check-in software supplied by Collins Aerospace on Friday.

The company declared on Saturday it was “actively working to resolve the issue and restore full functionality to our customers as quickly as possible”.

The aviation tech company, which specialises in digital and data processing services, is a subsidiary of the American aerospace and defence group RTX, formerly known as Raytheon.

Cyberattacks and tech outages have disrupted airports around the world in recent years, from Japan to Germany, as air travel increasingly relies on online, interconnected systems.

The aviation sector saw a 600-percent increase in cyberattacks from 2024 to 2025, according to a report by French aerospace company Thales released in June.n.

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