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An airline can avoid EU261 compensation only if it proves that an extraordinary circumstance caused the cancellation or qualifying delay and that the disruption could not have been avoided even if it had taken all reasonable measures. A broad explanation such as “bad weather,” “technical issue” or “operational reasons” is not enough by itself. The exception is narrow, assessed case by case, and does not generally cancel the airline’s separate duty to provide care.
When can an airline refuse flight compensation?
Under Article 5(3) of Regulation (EC) No 261/2004, the operating air carrier may rely on extraordinary circumstances as a defense to the standardized compensation payable under Article 7. It must prove two things: the event was extraordinary and caused the cancellation or long delay, and the outcome could not have been avoided even if all reasonable measures had been taken. Both parts must be established; the airline’s use of the phrase “extraordinary circumstances” is not proof.
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The regulation’s exception is interpreted strictly because it limits passenger rights. The relevant question is not simply what the airline called the problem, but what happened, whether it was outside the normal exercise of the carrier’s activity and actual control, how it caused this particular disruption, and what reasonable steps were available to prevent or reduce the effects. The text of Regulation (EC) No 261/2004 sets out the compensation and care rules.
What makes a circumstance extraordinary?
The Court of Justice of the European Union (CJEU) requires that an event be, by its nature or origin, outside what is inherent in the normal exercise of the airline’s activity and beyond the carrier’s actual control. These are cumulative conditions, not alternative ways to qualify. The assessment turns on the specific event and evidence.
The regulation’s recitals give examples such as political instability, weather incompatible with the flight, security risks, unexpected flight-safety shortcomings and strikes affecting the operation. These examples do not automatically excuse a particular flight: the legal test still applies to the event and its consequences.
Does bad weather count?
Weather may qualify when it is incompatible with operating the flight, but the label alone does not settle the issue. The airline must connect the relevant weather event to the cancellation or qualifying delay and also show that reasonable measures could not avoid the disruption. The circumstances and evidence for the specific flight matter.
Is an aircraft technical problem extraordinary?
Ordinary technical faults are generally inherent in operating an airline and are not automatically extraordinary. In Wallentin-Hermann v Alitalia, the CJEU held that a technical problem falls within the exception only if it stems from events that are not inherent in the normal exercise of the carrier’s activity and are beyond its actual control. The Court also said that complying with minimum aircraft-maintenance rules does not, by itself, prove the airline took all reasonable measures. Read the CJEU judgment in Wallentin-Hermann.
What about a bird strike?
A bird collision and the safety checks that follow require a fact-specific assessment, rather than an automatic exemption. In Pešková and Peška, the CJEU addressed bird-strike prevention, the circumstances of subsequent checks and whether the delay was attributable to extraordinary causes or other causes. It held that repeating checks with an expert chosen by the carrier after an authorized expert had completed them did not make the resulting cancellation or delay extraordinary. See the CJEU judgment in Pešková and Peška.
What reasonable measures must the airline prove?
Even if the initiating event was extraordinary, the airline must show that the disruption could not have been avoided despite all reasonable measures. What was reasonable depends on the situation, including what was technically and economically viable at the time. The carrier is not required to make intolerable sacrifices in light of its undertaking’s capacities, but general claims of compliance or bare assertions do not establish that it met the test.
When assessing an explanation, look for evidence addressing each link in the airline’s account:
- The event: What specifically happened, and why was it outside the normal exercise of the carrier’s activity and its actual control?
- The causal link: How did that event cause this flight’s cancellation or long delay, rather than merely occur at the same time?
- Available measures: What could the carrier reasonably have done to avoid or reduce the disruption in the circumstances?
- The response and evidence: What steps did it take, and what supports its account of the event and those steps?
These questions help explain the statutory burden; they do not determine the outcome of an individual claim.
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Does a long delay qualify, and how much is compensation?
A passenger who reaches the final destination at least three hours late may, in principle, claim Article 7 compensation under CJEU case law, subject to the airline proving the Article 5(3) defense. The practical focus is arrival at the final destination, not departure delay alone. If compensation is payable, the statutory amounts are:
| Flight category | Article 7 compensation |
|---|---|
| Flights of 1,500 kilometres or less | EUR 250 |
| Intra-Community flights over 1,500 kilometres, and other flights between 1,500 and 3,500 kilometres | EUR 400 |
| Other flights | EUR 600 |
These amounts are set by Regulation 261/2004. Distance is measured to the final destination where the disruption results in late arrival. The regulation allows a reduction in specified rerouting circumstances, so the listed band does not settle every case. For the three-hour arrival-delay principle, see the CJEU judgment in Sturgeon and Others.
Does the airline still have to provide food or a hotel?
Yes, where applicable. The extraordinary-circumstances defense concerns Article 7 compensation; it does not generally remove the separate duty of care under Article 9. Depending on the circumstances, care can include meals and refreshments in reasonable relation to the waiting time, hotel accommodation when an overnight or additional stay becomes necessary, transport between the airport and accommodation, and communication assistance. The European Commission’s 2024 interpretative guidelines on passenger rights say that the care obligation continues even when extraordinary circumstances last for a long period.
How to assess an airline’s explanation
For a real flight, the cause, timing, route, arrival delay and evidence can affect the claim, as can the applicable national process. Compare the airline’s explanation against the two legal requirements: a qualifying extraordinary event that caused the disruption, and proof that reasonable measures could not have avoided it. A valid defense to compensation does not by itself answer whether care was owed.
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