Belfast International Airport Flight Cancellations: UK Air Traffic Control Failure, 8 September 2026

Belfast International Airport was among the UK airports hit by widespread flight cancellations on 8 September 2026, after a technical failure in the National Air Traffic Services (NATS) flight-processing system forced controllers to slow the flow of aircraft through UK airspace. Our live boards logged 9 cancelled arrivals and departures at Belfast International that day (5 departures and 4 arrivals).

What Happened at Belfast International?

The fault lay in the NATS system that processes flight plans and departure data, rather than in radar or communications equipment, so aircraft already airborne were managed safely throughout. To keep airspace safe, the rate at which new departures could be released was cut, and flow restrictions rippled out to airports across the country. Airlines at Belfast International responded by cancelling flights to protect the rest of their schedules. At Belfast International, easyJet accounted for the largest share of the cancellations we recorded.

Airlines Affected at Belfast International

The carriers with the most cancelled flights at Belfast International in our data were:

• easyJet - 7
• Ryanair UK - 1
• Ryanair - 1

Cancelled Flights at Belfast International on 8 September 2026

All 9 cancelled arrivals and departures logged at Belfast International on 8 September 2026. For the current picture, see our live Belfast International cancellations page.

What Are My Rights?

An air traffic control failure is normally treated as an extraordinary circumstance, which means airlines are generally not required to pay the fixed cash compensation that applies when a cancellation is their own fault. Your other rights still apply in full, however. If your flight was cancelled, your airline must offer you either a full refund or rerouting to your destination at the earliest opportunity. If you face a long wait, the airline must also provide meals, refreshments and, where needed, overnight accommodation with transfers. If it cannot arrange these and you pay yourself, keep every receipt and claim the cost back.

Rebook as early as you can, because seats on the first recovery flights go quickly. Use your airline's app to rebook or request a refund.

Travelling Through Belfast International Over the Next Few Days?

Expect a lingering tail of delays and short-notice cancellations while airlines get aircraft and crews back into position. Before you set off, check your flight status on our live Belfast International departures and arrivals boards, and do not travel to the airport until your flight is confirmed as operating. You can also track disruption on our Belfast International cancellations page.

The Short Version

A NATS flight-processing failure on 8 September 2026 forced airlines to cancel 9 arrivals and departures at Belfast International Airport. Cash compensation is unlikely because an ATC failure counts as an extraordinary circumstance, but you are still entitled to a refund or rerouting plus care while you wait. For the national picture, see our UK-wide air traffic control disruption report, and check your flight on our live Belfast International departures and arrivals boards before you travel.