Check Your Flight Delay Compensation in Minutes

Know the 3-Hour Rule and Distance Tiers

Most delay-compensation guides bury the lede in airline FAQs, but the real bottleneck is evidence discipline and knowing which regulation applies to your exact route—not finding a claim form. This guide flips that: you’ll learn the hard arrival trigger, the distance tiers that set your payout, and how to build a gate-side file that survives an airline’s first “no.”

The rules changed recently in practice, not on paper: airlines now routinely auto-deny valid EU261 claims, betting you won’t escalate. The good news is that the escalation path—free national enforcement bodies—works if you file correctly. Here’s how to check your eligibility in minutes and collect what you’re owed without paying a middleman.

Check Which Law Covers Your Route

The regulation that applies depends on where the aircraft takes off and who holds the operating certificate, not where you are a resident. EU Regulation 261/2004 covers flights departing from any EU airport regardless of the airline, and it covers any flight arriving in the EU when the carrier is EU-based. A Delta flight from Atlanta to Paris is outside EU261 on the outbound leg because Delta is a US carrier, but the return Paris-to-Atlanta segment on the same Delta metal is fully covered. UK261 mirrors this structure for flights departing the United Kingdom or operated by UK-registered carriers, a status that survived Brexit and that many passengers still overlook.

US domestic flights sit under a different regime entirely. The US Department of Transportation does not mandate cash compensation for tarmac delays or schedule slippage, though it does require carriers to provide refunds when a flight is cancelled or when a significant schedule change occurs, per the DOT's own consumer guidance. This means a 6-hour domestic delay on a US carrier earns you nothing under the DOT framework unless the airline's own contract of carriage offers something voluntary, which is rare and usually buried in the fine print.

FlyerTalk threads flag a recurring trap: passengers on US carriers flying a transatlantic route assume EU261 applies to the entire itinerary because the destination is in Europe. It does not apply to the outbound leg if the operating airline is non-EU, and filing under the wrong regulation wastes months before the passenger realizes the claim was never valid. The decision rule is straightforward — if your flight departs from an EU or UK airport, or the airline is EU or UK-registered, you are in EU261 or UK261 territory; otherwise, you are under DOT rules with weaker protections.

As a practical first step, enter your flight number and date into a free online checker such as AirAdvisor, AirHelp, or ClaimPilot, which typically return a preliminary eligibility assessment in under 2–3 minutes. These tools do not replace a formal claim, but they give you a rapid read on whether the math is worth pursuing before you gather boarding passes and delay confirmation emails. If the checker flags eligibility, the next move is to pull the airline's official delay confirmation — a gate-agent note, a push notification from the carrier's app, or a screenshot of the departure board — because that contemporaneous record on the reason for the delay is often the decisive piece of evidence in any subsequent claim.

Build Your Evidence File at the Gate

Ask gate staff for the delay reason and write it down immediately — a contemporaneous note is the single most decisive piece of evidence when the airline later claims "extraordinary circumstances" such as weather or ATC strikes, according to NomadFist's guide.

Photograph the departure board and any printed gate notices, because experienced travelers report that airlines sometimes lose the delay reason in their internal system, leaving your photo as the only record. Screenshot the airline app's push notification and the revised departure time at the same moment; these timestamps establish exactly when you were informed, which matters if the airline disputes the clock.

If the airline pushes back, practitioners note that a formal letter citing Regulation (EC) No 261/2004 with the flight number, date, route, and exact amount tends to move the file faster than a web-form submission. To reconstruct the exact scheduled versus actual arrival time if you lost your itinerary, use Google Flights or your airline's booking history; the scheduled arrival time comes from the airline's published timetable, while the actual arrival time is the wheels-down moment recorded by flight-tracking services, and the difference between those two timestamps is the delay that counts.

Verify the arrival delay independently using the airline's app or a flight-tracking service, then cross-reference with the gate notice you photographed. The fix is to check the actual wheels-down time against the scheduled arrival, which is visible in real time on flight-tracking apps, rather than relying on the airline's gate announcement alone.

Set a calendar reminder to check your eligibility within seven days of a significant delay, because evidence such as gate-agent names and contemporaneous notes fades from memory fast. The next concrete step is to draft the claim letter using the template structure above, fill in the flight details, and send it directly to the airline's complaints address before considering any third-party service.

File Directly Before Paying a Middleman

Most travelers who are entitled to compensation never receive it because they wait for the airline to volunteer the payout — and the airline has no incentive to do so. The difference between a successful claim and a rejected one is usually a single formal letter sent within the correct regulatory framework, not a phone call at the gate.

To file directly, send a formal letter to the airline's customer relations department citing Regulation (EC) No 261/2004, including the flight number, date, route, and the exact compensation amount. The letter should open with the sentence "I am writing to claim compensation under Regulation (EC) No 261/2004 for flight [Flight Number] on [Date], from [Departure Airport] to [Arrival Airport]," because this single sentence signals that you know the applicable law and are not simply requesting a goodwill gesture. Attach your boarding pass, booking confirmation, delay notification screenshot, and any expense receipts, since a complete file on first submission cuts the average response time significantly.

A no-win-no-fee claims service typically takes a 25–35% commission on the compensation amount, so for a 600 claim, filing directly saves you 150–210, but requires more of your time and careful documentation. A written reply to a first rejection should restate the regulation, attach the same evidence packet, and explicitly ask the airline to identify which specific extraordinary circumstance applies to your flight — this forces a second review rather than a form-letter response.

If the airline rejects or ignores you for 8 weeks, escalate to the national enforcement body — the UK Civil Aviation Authority and the European Consumer Centre both offer free complaint forms that do not require legal representation. The key operational detail is that the enforcement body's process resets the airline's response clock, and many payouts that were previously denied surface after this escalation step. Before you file, verify the airline's country of registration and the departure airport, because filing under the wrong regulation — for example, EU261 for a US domestic flight — is a common mistake that causes outright rejection.

As a concrete next step, pull your booking confirmation and the airline's delay notification from your email, then open a free checker such as AirAdvisor or ClaimPilot to confirm your eligibility tier. If the result matches your expectation, draft the formal letter using the template structure above, attach the full evidence packet, and send it to the airline's customer relations address listed on their official website. Set a calendar reminder to follow up in 8 weeks if you have not received a written decision, and keep the original correspondence in a dedicated folder so you can attach it to an escalation complaint if needed.

Case Study: The JFK–LHR Delay That Paid 1,200

Option A is the path most travelers take: they accept a £10 meal voucher at the gate and walk away.

The field decision is straightforward: the family files directly because the evidence file is complete and the route distance is unambiguous.

Experienced travelers report that the gate-staff note on the delay reason is the single most decisive piece of evidence, more so than the boarding pass alone.

Escalate When the Airline Says No

When an airline rejects a claim by citing "extraordinary circumstances," the burden shifts to the carrier to prove the disruption was truly outside its control — and most routine operational failures do not qualify.

Under EU Regulation 261/2004, extraordinary circumstances are narrowly defined as events like severe weather or an ATC strike, but crew shortages, IT outages, and scheduling errors are airline-caused and therefore not valid defenses. IT outages, such as the American Airlines system failure that triggered an FAA ground stop this year, are airline-caused disruptions: the failure originates in the airline's systems, not in weather or airspace restrictions, so affected passengers on EU-covered routes have a strong claim even if the carrier initially pushes back. Practitioners note that gate agents and customer-service teams are trained to invoke "extraordinary circumstances" as a first-line rejection, and many passengers accept the denial without pressing further.

If the airline denies your claim or goes silent for eight weeks, file a formal complaint with the national enforcement body — in the UK that is the Civil Aviation Authority, and in Germany it is the Luftfahrt-Bundesamt. Both agencies offer free online complaint forms and do not require you to hire a lawyer. According to the CAA's enforcement guidance, the body reviews the airline's stated reason for the delay and can compel the carrier to pay if the reason does not meet the extraordinary-circumstances threshold. The same escalation path applies in other EU member states, though the specific agency and processing timeline vary.

According to the UK CAA's enforcement guidance, the body reviews the airline's stated reason for the delay and can compel the carrier to pay if the reason does not meet the extraordinary-circumstances threshold, and airlines typically pay promptly once the regulator contacts them. Experienced travelers report that the process feels bureaucratic but is rarely adversarial once the enforcement body opens a file. The European Consumer Centre offers free cross-border dispute resolution if your airline is based in a different EU country than yours — a zero-cost escalation step that precedes small claims court and often resolves the matter without legal fees.

Set a calendar reminder for the claim deadline as soon as your flight is delayed, because the window varies by jurisdiction and missing it forfeits the claim entirely. The UK allows six years from the date of the delayed flight, Germany allows three years, and other EU member states range from one to five years depending on national implementation. The enforcement body you file with can confirm the applicable deadline for your specific route and nationality.

As a worked example, consider a passenger whose Lufthansa flight from New York to Frankfurt was delayed by four hours and ten minutes at arrival due to a crew-scheduling error. The airline denied the claim, citing "operational constraints." The passenger filed with the Luftfahrt-Bundesamt, attaching the boarding pass, booking confirmation, and a screenshot of the delay notification. The enforcement body ruled in the passenger's favor within four months, and Lufthansa paid the full 600 within two weeks of the regulator's decision.

What to do next

After checking your eligibility, take concrete steps to protect your rights and document the delay. The following actions help you build a clear record and pursue compensation efficiently.

Sources: airteo, airadvisor, milepro, airhelp, upgradedpoints