An airline can refuse EU261 compensation only if it proves both 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. Calling an event “bad weather,” “a technical issue” or “operational reasons” is not enough by itself. The exception is narrow, assessed case by case, and does not generally remove the airline’s separate duty to provide care.
When can an airline refuse flight compensation?
Article 5(3) of Regulation (EC) No 261/2004 lets an operating airline avoid Article 7 compensation when it can prove that a cancellation or long delay was caused by extraordinary circumstances that could not have been avoided even if all reasonable measures had been taken. The burden is on the airline, and both parts of the test must be met.
The Court of Justice of the European Union (CJEU) treats the exception strictly because it limits passenger protections. “Extraordinary circumstances” is a legal standard, not a label chosen by the airline. The event must be outside what is inherent in the normal exercise of the carrier’s activity by its nature or origin, and beyond the carrier’s actual control. Those conditions are cumulative and depend on the specific facts.
What the airline has to establish
- The event: What happened, and why does it meet the legal test for an extraordinary circumstance?
- The causal link: How did that event cause this particular cancellation or delay?
- Reasonable measures: What steps were available to prevent or reduce the disruption, and why could they not reasonably avoid it?
- Supporting evidence: What records or other evidence substantiate the airline’s account and its response?
Reasonable measures are judged in context, including what was technically and economically viable at the time. The airline is not required to make intolerable sacrifices given its capacities, but general assertions alone do not prove that it met the test.
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Does bad weather count as extraordinary circumstances?
Weather incompatible with a particular flight is among the examples identified in Regulation 261/2004, but weather does not automatically exempt an airline. The airline still has to show that the relevant conditions were outside the normal exercise of its activity and beyond its actual control, that they caused the disruption in question, and that reasonable measures could not avoid it.
The same approach applies to other examples mentioned in the Regulation’s recitals, such as political instability, security risks, unexpected flight-safety shortcomings and strikes affecting the operation. A category of event is not a blanket exemption; the evidence and circumstances of the individual disruption matter.
Is an aircraft technical problem extraordinary?
Ordinary technical faults are generally treated as inherent in operating an airline, so a technical problem by itself usually does not meet the extraordinary-circumstances test. In Wallentin-Hermann v Alitalia, the CJEU said that a technical problem qualifies 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.
Routine maintenance compliance does not, on its own, establish that an airline took all reasonable measures. As the Court put it, “the fact that an air carrier has complied with the minimum rules on maintenance of an aircraft cannot in itself suffice to establish that that carrier has taken ‘all reasonable measures’.” (CJEU, Wallentin-Hermann v Alitalia, judgment of 22 December 2008.)
Bird strikes and follow-up checks
A bird collision and the safety checks that follow it require a fact-specific analysis. In Pešková and Peška, the Court considered both measures to reduce bird-strike risk and whether delay was attributable to extraordinary causes or other causes. It also held that repeating checks with an expert chosen by the airline after an authorized expert had completed them did not make the resulting cancellation or delay extraordinary. The decision illustrates why the chain of events and the measures taken must be examined, rather than relying on a broad description of the incident.
How long a delay can qualify for compensation?
A departure delay alone does not settle whether Article 7 compensation is due. The practical focus is arrival at the final destination: under CJEU case law, a passenger who arrives at least three hours late may in principle claim the compensation associated with cancellation, subject to the airline proving the Article 5(3) defense. The route and distance determine the applicable compensation band.
| Route or distance | Article 7 compensation |
|---|---|
| Flights of 1,500 km or less | EUR 250 |
| Intra-Community flights over 1,500 km; other flights between 1,500 km and 3,500 km | EUR 400 |
| Other flights | EUR 600 |
These are the statutory amounts in Regulation 261/2004. Distance is measured to the final destination when the disruption results in late arrival. The Regulation also allows a reduction in specified rerouting circumstances, so the listed band is not necessarily the final amount in every case.
Does the airline still have to provide food or a hotel?
Yes, where the Regulation’s conditions for care are met. An Article 5(3) defense can remove the obligation to pay Article 7 compensation if fully established, but it does not generally cancel the separate Article 9 care obligations. Depending on the circumstances, care can include meals and refreshments reasonably related to the waiting time, hotel accommodation when an overnight or additional stay becomes necessary, transport between the airport and accommodation, and communication assistance.
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The European Commission’s 2024 guidance says the care obligation continues even when extraordinary circumstances last for a long period.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to assess an airline’s explanation
- Identify the actual cause. Look beyond a label such as “weather” or “technical issue” and establish what event the airline says occurred.
- Separate the event from its consequences. Ask how that event caused the cancellation or the late arrival at the final destination.
- Check the airline’s response. Consider what reasonable steps were available at the time to prevent or reduce the disruption, and what the airline says it did.
- Keep compensation and care separate. Even if compensation is disputed under Article 5(3), assess any applicable Article 9 care rights independently.
An airline’s invocation of extraordinary circumstances is not itself proof that the defense applies. The cause, timing, route, evidence and relevant claim process can affect an individual dispute; this general explanation cannot establish the facts of a particular flight.
Quick Recap
Key legal sources
- Regulation (EC) No 261/2004, including Articles 5, 7 and 9.
- European Commission interpretative guidelines on Regulation 261/2004 (2024).
- CJEU, Wallentin-Hermann v Alitalia.
- CJEU, Pešková and Peška.
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