What Counts as Extraordinary Circumstances Under EU261?
Airlines cite "extraordinary circumstances" to avoid paying compensation. But the bar set by EU courts is high. Routine technical faults, staffing shortages and vague weather claims do not qualify. This guide breaks down exactly what does — and doesn't — count.
Quick answer
Extraordinary circumstances must be (1) outside normal airline operations and (2) unavoidable even with all reasonable measures. Examples that qualify: genuine severe weather closing an airport, ATC strikes, bird strikes, hidden manufacturing defects, political instability. Examples that do not qualify: routine mechanical faults, crew shortages, vague "operational reasons".
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The Legal Test: Two Conditions
EU261 Article 5(3) exempts airlines from compensation only when extraordinary circumstances which could not have been avoided even if all reasonable measures had been taken caused the cancellation or delay. The CJEU has interpreted this as requiring:
- The event is not inherent to the normal exercise of the airline's activity — i.e., it's not something airlines routinely deal with
- The event is beyond the airline's actual control — the airline could not have avoided the delay even by taking every reasonable step
The airline bears the burden of proving both conditions. A vague reference to "extraordinary circumstances" in a rejection letter is not sufficient.
Does It Qualify? — Common Scenarios
Wars, coups, or serious civil unrest at origin or destination that make flying unsafe — provided it was genuinely unforeseeable.
A genuine severe storm closing an airport qualifies. Generic 'bad weather' cited without specifics does not. Must be the direct cause of the specific delay.
Third-party ATC action outside the airline's control. However, the airline must still take all reasonable measures (alternative routing, etc.).
A defect not identifiable during normal maintenance and confirmed by the manufacturer. Distinct from routine mechanical failure.
CJEU Wallentin-Hermann (C-549/07): technical problems inherent to normal airline operations are not extraordinary circumstances, even if unexpected.
Typically accepted as extraordinary — strikes are unexpected and outside airline control. However, airline must show it took reasonable measures.
An unforeseeable medical emergency requiring diversion qualifies. Predictable crew illness or known health issues may not.
Internal operational issues are inherent to running an airline. CJEU has ruled that crew unavailability is not extraordinary.
External security threats (bomb threats, suspicious packages) that close an airport are outside airline control.
Government border closures or airspace shutdowns qualify. Reduced demand or commercial decisions do not. COVID-era claims are highly fact-specific.
Who Must Prove Extraordinary Circumstances?
The airline. Under EU261 and confirmed by the CJEU, it is the airline's responsibility to demonstrate that extraordinary circumstances existed — not the passenger's responsibility to disprove them. The CJEU in Wallentin-Hermann v Alitalia (C-549/07) stated clearly that the exemption is to be interpreted strictly and the burden falls on the carrier.
If the airline rejects your claim citing extraordinary circumstances, you have the right to ask them:
- What specifically was the extraordinary event?
- When exactly was it discovered or did it begin?
- What reasonable measures did the airline take to avoid the delay?
If the airline cannot answer these questions specifically, the extraordinary circumstances defence fails.
Frequently Asked Questions
What is the legal test for extraordinary circumstances?
The CJEU has established a two-part test: (1) the event must be extraordinary — not inherent to normal airline operations; and (2) the airline must have taken all reasonable measures to avoid the delay caused by that event. Both parts must be satisfied. An extraordinary event does not automatically excuse the airline if it failed to re-route passengers reasonably.
The airline cited 'operational reasons' — is that enough?
No. 'Operational reasons' is not a specific extraordinary circumstance. Airlines must identify the precise event, explain when it arose, and demonstrate it was truly outside their control. A vague claim of 'operational difficulties' fails the specificity requirement and should be challenged.
Can a technical fault ever be extraordinary?
Only in very narrow circumstances. The CJEU in Wallentin-Hermann confirmed that routine technical problems are not extraordinary. A hidden manufacturing defect discovered suddenly and confirmed by the aircraft manufacturer could qualify — but this is rare and the airline bears the burden of proving it.
What if the airline claims COVID-19 was an extraordinary circumstance?
For specific cancellations caused directly by government orders (border closures, airspace shutdowns), this argument can succeed. But airlines cannot use COVID-19 as a blanket excuse for all 2020–2022 disruptions. Cancellations driven by reduced demand or commercial decisions — rather than legal prohibition — are not covered by the extraordinary circumstances defence.
If extraordinary circumstances exist, do I still get anything?
If genuine extraordinary circumstances are proven, you lose the right to flat-rate compensation under Article 7. However, you retain: (a) the right to re-routing or refund under Article 8; and (b) care rights (meals, hotel, transport) under Article 9 — these apply regardless of the cause of the delay.
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