Sun, 21 Sep 2025

Sun, 21 Sep 2025 Heathrow warns of second day of disruption after cyber-attack

The issue affecting check-in and baggage systems caused hundreds of delays and cancellations on Saturday.

* A cyber-attack on Collins Aerospace's Muse software has disrupted check-in and baggage systems at several European airports, including Heathrow.
* Hundreds of flights were delayed or cancelled on Saturday due to the outage.
* Brussels Airport has asked airlines to cancel half their departing flights for Monday until the system is functional again.
* RTX, which owns Collins Aerospace, says it is working to resolve the issue as quickly as possible but has not disclosed what went wrong or how long the outage will last.
* Heathrow airport says efforts are ongoing to resolve the issue and apologizes to passengers who have faced delays.
* Some airlines, including British Airways, have been using backup systems to operate flights.
* The cyber-attack is also affecting Berlin Airport, where some airlines are still boarding passengers manually.
* Transport Secretary Heidi Alexander is monitoring the situation and receiving regular updates.
* Eurocontrol has asked airline operators to cancel half their flight schedules from affected airports until Monday morning.
* Dublin Airport says it expects to operate a full schedule on Sunday despite the technical issues.
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