# What counts as extraordinary circumstances under EU261?

aiflightrefunds.com · August 25, 2026

> The Direct Answer: What Are Extraordinary Circumstances Under EU261? Under Regulation (EC) No 261/2004, airlines are exempt from paying compensation of...

## The Direct Answer: What Are Extraordinary Circumstances Under EU261?

Under Regulation (EC) No 261/2004, airlines are exempt from paying compensation of €250, €400 or €600 when a flight disruption is caused by 'extraordinary circumstances which could not have been avoided even if all reasonable measures were taken.' In plain terms, this means events outside the airline's control that no amount of sensible planning could have prevented. The classic examples are severe weather such as storms, fog and volcanic ash clouds; air traffic control strikes by third parties; security threats or terrorist alerts; bird strikes causing engine damage; and political instability such as closed airspace.

**Also worth reading:** [What are the definitive UK261 extraordinary circumstances examples that exempt airlines from paying compensation?](https://aiflightrefunds.com/knowledge/what_are_the_definitive_uk261_extraordinary_circumstances_examples_that_exempt_airlines_from_paying_compensation.php) · [Can an airline legally deny my compensation claim by citing a mechanical failure as an extraordinary circumstance?](https://aiflightrefunds.com/knowledge/can_an_airline_legally_deny_my_compensation_claim_by_citing_a_mechanical_failure_as_an_extraordinary_circumstance.php) · [What documents do I need for an EU261 flight compensation claim, and how do I build a claim that actually gets paid?](https://aiflightrefunds.com/knowledge/what_documents_do_i_need_for_an_eu261_flight_compensation_claim_and_how_do_i_build_a_claim_that_actually_gets_paid.php)

The critical point most passengers miss is that extraordinary circumstances only remove the obligation to pay fixed cash compensation. They never remove your right to care (meals, refreshments, hotel accommodation, transfers) during long delays, nor your right to re-routing or a refund when your flight is cancelled. Airlines frequently overstate this exemption, presenting routine operational failures as 'exceptional' events. Courts across Europe have repeatedly pushed back on this practice, and in 2026 the trend continues: regulators and judges are scrutinising airline claims more closely than ever.

A useful rule of thumb: if the problem originates inside the airline's own operation — maintenance faults, crew shortages, IT outages on its own systems, overbooking — it is almost never extraordinary. If it genuinely originates outside, the burden of proof still sits with the airline to demonstrate both that the event occurred and that no reasonable measure could have avoided the disruption.

## Why This Matters: The Compensation Amounts at Stake

The financial difference between an accepted and rejected claim is substantial. EU261 sets fixed compensation based on flight distance and delay length at arrival, not departure:

| Flight distance | Delay at arrival | Compensation |  |
| --- | --- | --- | --- |
| Up to 1,500 km | 3+ hours | €250 |  |
| 1,500–3,500 km (intra-EU) | 3+ hours | €400 |  |
| 1,500–3,500 km (other) | 3–4 hours | €200; 4+ hours | €400 |
| Over 3,500 km | 3–4 hours | €300; 4+ hours | €600 |

For cancellations notified less than 14 days before departure, these same amounts apply unless you were offered suitable re-routing arriving close to the original time. For denied boarding due to overbooking, compensation is always payable regardless of circumstances. On a family of four flying long-haul, a wrongly rejected claim can be worth €2,400 — which explains why airlines contest borderline cases so aggressively.
Compensation is separate from any refund or rebooking you receive, and separate from consequential costs like missed hotel nights or lost event tickets, which can sometimes be recovered separately under national law or the Montreal Convention.

## The Grey Areas: Where Airlines and Courts Disagree Most

Not every 'external' event qualifies automatically. The Court of Justice of the EU (CJEU) has built a body of case law that narrows the exemption considerably, and knowing these rulings is the difference between winning and losing a claim.

Technical defects are the biggest battleground. The CJEU held in cases such as van der Lans and related judgments that unexpected technical problems are inherent in an airline's normal activity and are therefore NOT extraordinary — with narrow exceptions for hidden manufacturing defects revealed by the manufacturer or sabotage. An airline cannot simply say 'the aircraft broke' and walk away from a €600 payout.

Crew illness and staff shortages are similarly treated as part of ordinary operations. Airlines are expected to hold standby crews; failing to do so is a management choice, not a stroke of bad luck. The same logic applies to knock-on delays: if a delayed inbound aircraft causes your cancellation, courts generally trace the root cause back through the chain. If the original delay was within the airline's control, your claim survives.

Airline IT failures deserve special attention in 2026. When American Airlines suffered a major reservation system outage in May 2026, stranding thousands of passengers, the question arose whether such outages qualify as extraordinary. The prevailing legal view is that core IT infrastructure is squarely within an airline's operational responsibility. Carriers are expected to maintain resilient systems and contingency plans; a self-inflicted systems failure is not an act of God. Passengers affected by that outage retain strong grounds for EU261 claims on routes covered by the regulation, alongside any US DOT remedies.

## Strikes: Whose Strike Is It, Exactly?

Strikes illustrate how finely the law distinguishes between internal and external causes. A wildcat strike by the airline's own pilots or cabin crew is considered an internal matter — the airline must negotiate labour relations as part of running its business, so compensation remains payable. This was confirmed by the CJEU in cases involving TAP and Finnair crew actions.

By contrast, a nationwide air traffic control strike, such as the frequent French ATC strikes that routinely disrupt European aviation, is genuinely external. The May 2026 Italian general strike, which cancelled roughly 1,150 flights — around 80% of scheduled departures on the day — falls into this category for the ATC and ground-handling components, though claims involving airline-specific staffing shortfalls may still succeed. Note also that Italy's guarantee rules require airlines to operate certain protected flights even during national transport strikes, so some cancellations during strike days are not fully excused.

Weather occupies similar contested ground. Routine summer thunderstorms and winter snowfall are foreseeable seasonal phenomena; airlines are expected to de-ice, plan buffers and rotate spare aircraft. Only genuinely severe, unpredictable weather — hurricanes, dense fog closing airports for days, volcanic ash — reliably counts as extraordinary. High fuel prices do not qualify either: EU authorities explicitly rejected airline arguments that elevated fuel costs constitute extraordinary circumstances, since fuel hedging and pricing are normal commercial risks every carrier manages.

## How to Challenge a Rejected Claim: Practical Steps

If an airline rejects your claim citing extraordinary circumstances, treat the rejection as an opening position rather than a final answer. Start by requesting the specific evidence in writing: the exact cause of the disruption, the time it was identified, and what measures the airline took to avoid or mitigate it. Vague responses such as 'operational reasons' or 'technical issues' are legally insufficient — the burden of proof rests on the carrier under Article 5(3) of the regulation.

Next, check the paper trail. Official meteorological reports, Eurocontrol network notices, NOTAMs and airport authority statements can confirm or contradict the airline's stated reason. If the airline blamed weather but other carriers flew the same route that day, that discrepancy is powerful evidence. Similarly, if the airline blamed an ATC strike but the strike window did not cover your departure slot, the excuse collapses.

Escalation paths exist in every member state. Each country has a National Enforcement Body (NEB) — for example, the CAA in the UK's post-Brexit equivalent framework, the LBA in Germany, or DGAC in France — which handles complaints free of charge. Beyond that, alternative dispute resolution schemes, small-claims court (costing typically £35–£205 in England depending on claim value), or national courts offer further recourse. Deadlines vary: claims in many jurisdictions can be brought up to two to six years after the flight, depending on national limitation periods, so acting promptly preserves options but a delayed claim is often still viable.

Services like AI Flight Refunds automate much of this evidence-gathering and correspondence, working on a success-fee basis — typically 20–35% of the awarded amount — with no upfront cost. That trade-off suits passengers who lack time or confidence; determined DIY claimants keep 100% of the award but should expect several months of correspondence before resolution.

## Comparing Your Options: DIY Claim vs Enforcement Body vs Claims Company

| Feature | DIY claim | National Enforcement Body / court | Claims company (e.g. AI Flight Refunds) |
| --- | --- | --- | --- |
| Cost | Free | Free (small-claims fee if litigating) | 20–35% success fee, nothing upfront |
| Effort required | High — letters, evidence, follow-ups | Medium — one complaint form | Low — submit details, service handles rest |
| Success rate on disputed cases | Moderate; depends on persistence | Moderate; NEBs issue opinions but rarely enforce payouts | Higher on straightforward cases; varies on heavily disputed ones |
| Typical timeline | 2–12 months | 3–18 months | 1–6 months for uncontested claims |
| Best for | Confident claimants with clear-cut cases | Cases needing regulatory pressure | Busy travellers, group bookings, rejected claims |

No option is universally superior. A clean-cut case — a three-hour delay with no stated reason — is often resolved fastest directly with the airline. A stubborn rejection on dubious 'extraordinary circumstances' grounds usually benefits from professional handling or NEB involvement, because airlines take patterned, well-documented escalation more seriously than isolated complaints.

## Common Mistakes That Sink Legitimate Claims

The most frequent error is accepting the first rejection letter. Airlines reject a large share of initial claims automatically, betting that most passengers will give up. A polite, firm reply citing CJEU case law on technical faults often changes the outcome without any external help.

The second mistake is confusing compensation with reimbursement. Even when extraordinary circumstances apply, you remain entitled to a full refund within seven days for a cancelled flight, or to re-routing at the earliest opportunity, plus duty-of-care expenses. Passengers who accept a voucher or abandon the trip forfeit rights they did not know they had. Keep receipts for meals and hotels during qualifying delays — airlines must reimburse reasonable costs regardless of why the flight failed.

Third, passengers often misidentify the responsible carrier. Under EU261, the operating carrier (not the ticket seller or codeshare marketing airline) owes the compensation. A booking made through a travel agency does not change this. Fourth, missing documentation hurts: boarding passes, booking confirmations, delay notifications and photos of departure boards all strengthen a file. Finally, watch the arrival-time rule — compensation hinges on when you actually reach your final destination, so a departure delay that shrinks below three hours by arrival kills the claim, while a modest departure delay that compounds into a long arrival delay creates one.

## When to Act and What to Expect in 2026

Act while memories and records are fresh, but know that time is on your side more than airlines suggest. Submit your claim as soon as you have documents in hand; expect an initial response within weeks, and budget realistically for months if the airline disputes causation. The 2026 enforcement climate favours passengers: EU institutions continue to signal tighter oversight of exemption abuse, and high-profile events — the American Airlines reservation-system outage, the Italian strike wave of May 2026, repeated French ATC stoppages — have generated precedent-rich casework that claimants can reference.

One caveat deserves honesty: proposed revisions to the Air Passenger Rights Regulation circulating in Brussels would raise delay thresholds (potentially to four hours for shorter flights) and adjust compensation amounts. Nothing has replaced Regulation 261/2004 as of August 2026, so current entitlements stand, but passengers with older flights should file sooner rather than later to lock in today's rules. Whether you pursue a claim yourself or hand it to a specialist service, the underlying principle holds: extraordinary circumstances are a narrow, strictly proven exception — not a blanket escape hatch for airlines having a bad operational week.

## Quick answers

### Does a technical problem count as extraordinary circumstances?

Generally no. The Court of Justice of the EU has ruled that unexpected technical faults are inherent in normal airline operations, so compensation remains payable. Exceptions exist only for hidden manufacturing defects identified by the manufacturer or acts of sabotage.

### Are airline IT outages extraordinary circumstances under EU261?

Usually not. Core reservation and dispatch systems fall within the airline's operational responsibility, and carriers are expected to maintain resilience and contingency plans. Passengers affected by major outages, such as the American Airlines system failure in May 2026, generally retain valid compensation claims on covered routes.

### Do I get compensation if my flight was cancelled due to an air traffic control strike?

ATC strikes by third parties typically qualify as extraordinary circumstances, so fixed compensation is not owed. However, you still have the right to a refund or re-routing, plus meals and accommodation during the wait. Strikes by the airline's own staff do count as compensable.

### How long do I have to make an EU261 claim?

Time limits depend on the country where the airline is established, ranging from about two to six years under national limitation rules. Filing promptly is wise, but claims for flights several years old are often still valid.

### Can an airline refuse compensation for high fuel costs?

No. EU authorities have explicitly rejected fuel price increases as extraordinary circumstances, treating them as a normal commercial risk that airlines manage through hedging and pricing. Fuel-related schedule cuts do not exempt carriers from paying compensation.

Canonical: https://aiflightrefunds.com/knowledge/what_counts_as_extraordinary_circumstances_under_eu261.php
Markdown: https://aiflightrefunds.com/knowledge/what_counts_as_extraordinary_circumstances_under_eu261.php/index.md