Dublin Airport resumes normal service after UK air traffic control failure canceled 90 flights

Disruption overview

Dublin Airport returned to a full timetable on 9 September 2026 after a technical failure in the UK air traffic control system canceled about 90 flights between Ireland and the UK the previous evening. The disruption left thousands of passengers stranded overnight at Dublin Airport, where the terminal stayed open and staff handed out water and blankets while airlines repositioned aircraft for morning departures. Heathrow Airport has also resumed operations, but some flights elsewhere in Europe may still see knock-on delays while aircraft and crews are moved back into place. Compensation is usually unlikely because the problem was outside the airlines' control, although passengers should still receive care, assistance, and rerouting or refund options where needed.

Get flight compensation

Check if the airline owes you money for your delayed or canceled flight

Disruption details

Dublin Airport was back on a full timetable on the morning of 9 September 2026 after a technical failure in the UK's air traffic control system canceled about 90 flights between Ireland and the UK late the night before. For passengers, that meant missed departures, canceled arrivals, and an unexpected night at the airport for thousands of travelers.

The disruption hit on 8 September 2026 and quickly spilled into the terminal. With so many flights grounded, people were left stranded overnight at Dublin Airport. The terminal stayed open, and airport staff handed out water and blankets to passengers who had nowhere else to go.

Airlines worked through the night to reposition aircraft so the first wave of departures on 9 September could leave as planned. That helped the airport restore its main schedule by morning, but the recovery didn't end there.

Dublin Airport has warned that knock-on disruption could still appear elsewhere in Europe as airlines move aircraft and crews back into place. If you're traveling today, it's still worth checking your flight status before leaving for the airport, especially if your journey connects through the UK or onward into Europe.

Heathrow Airport has also resumed operations, although some flights may continue to see delays or changes while airlines rebalance their schedules. During the outage, Heathrow Airport, London Gatwick Airport, Manchester Airport, and Birmingham Airport were among the UK airports most heavily affected.

DAA described 8 September as a difficult day for passengers and said the disruption was outside the control of both the airport and the airlines. That fits the cause of the problem: a technical issue in the UK's air traffic control infrastructure, rather than something an airline could prevent itself.

Because of that, compensation is usually unlikely under EC 261. When a cancellation or long delay is caused by air traffic control problems, airlines normally don't have to pay compensation, even if the impact on your trip was significant.

That doesn't mean you're without support. If your flight was canceled, your airline should offer you a choice between rerouting and a refund. If you were left waiting for hours or stranded overnight, you should also receive care and assistance, including food, refreshments, and accommodation or transport where needed.

If your journey was affected, keep hold of any travel documents and receipts, and check your airline's latest updates before you travel again. And if you'd like to understand your options in a bit more detail, you can use AirHelp's free flight checker to review your flight and see what support may apply.

Protect your future trips with AirHelp+

Secure your flights, luggage and get lounge access