What Counts as Extraordinary Circumstances? How Airlines Use It to Deny Your Claim

Your flight was delayed or cancelled, and you filed a compensation claim under EU261. The airline replied with one line: extraordinary circumstances beyond our control. Claim denied.

It happens constantly — and in many cases, the airline is simply wrong.

What the Law Says

Under EU Regulation 261/2004, airlines owe you €250 to €600 in compensation when a flight is delayed by more than three hours or cancelled without sufficient notice. There is one exception: if the disruption was caused by extraordinary circumstances that couldn’t have been avoided even with all reasonable measures taken.

That phrase is the escape hatch airlines reach for constantly.

What Actually Qualifies

For something to count as extraordinary, it must be genuinely outside the airline’s control — not just inconvenient. Events that typically do qualify: extreme weather that makes flying physically unsafe, ATC-imposed ground stops, airport closures due to security incidents, or hidden manufacturing defects discovered immediately before departure.

The bar is high. Courts have made that clear repeatedly.

What Airlines Falsely Label as Extraordinary

This is where most wrongful denials happen.

Technical problems are the most common misuse. Aircraft are complex machines — mechanical issues are a foreseeable part of operations. Unless it was a hidden defect flagged by the manufacturer, a technical fault does not qualify.

Staff shortages — a sick pilot, a crew hitting maximum working hours — are operational issues the airline is responsible for managing.

Knock-on delays from a previous flight are only extraordinary if the original cause was. If the incoming aircraft was late due to a technical issue, the excuse doesn’t carry over.

Strikes by the airline’s own staff have been ruled by European courts to fall within the airline’s sphere of control. Not extraordinary.

The Burden of Proof Is on the Airline

Even if a genuine extraordinary event occurred, the airline must also prove it took all reasonable measures to minimise the disruption — rerouting passengers, sourcing alternative aircraft, rebooking on other carriers. A flat cancellation with a refund offer often doesn’t meet that standard.

You don’t have to prove anything. They do.

What You Can Do

If your claim was denied, ask the airline for specifics. A vague reference to “operational reasons” is not a legal defence — they need to state exactly what happened and what they did about it.

You can also check flight tracking sites like Flightradar24 for historical data on your flight. If other airlines were operating normally that day from the same airport, a weather or ATC claim becomes much harder to defend.

If the airline refuses to engage, you can escalate to the national enforcement body in your departure country.

Don’t Let the Airline Have the Last Word

Airlines count on passengers giving up after a denial. Most people do — and airlines know it.

If your flight was delayed or cancelled and you received a vague extraordinary circumstances response, there’s a good chance your claim is still valid. At Voos, we review your case for free and handle the entire dispute on your behalf — no upfront cost, and we only get paid if you do. It takes a few minutes to check whether you’re owed compensation.