AirAdvisor or Flight-Delayed: which is better?

AirAdvisor charges 30% on flight claims and names no separate court fee; Flight-Delayed charges 35% for most cases and 50% if the case goes to court. Both say they win 98% in court, with no period given.

AirAdvisor or Flight-Delayed: which is better?

AirAdvisor suits a claimant who wants the lower published fee or a claim under US, Canadian or Turkish rules; Flight-Delayed suits one who wants a company running since 2010, with country sites across Europe and Yource's 37,080 Trustpilot reviews.

• AirAdvisor: 30% on flight claims, 40% on baggage.
• Flight-Delayed: A Yource brand with 9 legal teams.

What do they charge?

Fee if it wins

• AirAdvisor: 30% on flight compensation claims and 40% on more complex baggage and reimbursement claims, taken from the airline's payment; it does not say whether VAT is included.
• Flight-Delayed: 35% for most cases, deducted from the amount won; prices include VAT unless stated otherwise.

If it goes to court

• AirAdvisor: no figure on its website.
• Flight-Delayed: 50% if the case has to go to court, described as 35% plus 15%.

If the claim fails

• AirAdvisor: 'If we don't win your case, you pay nothing.'
• Flight-Delayed: No win, no fee, with exceptions such as withdrawal or acting independently.

What are their reviews like?

Trustpilot

• AirAdvisor: 4.3 out of 5 from 2,603 reviews, newest review 18 October 2026, read 20 October 2026.
• Flight-Delayed: Its address opens the Trustpilot profile of its parent, Yource, which covers every Yource brand: 4.4 out of 5 from 37,080 reviews, newest review 16 October 2026.

How and when do they pay out?

How it pays you

• AirAdvisor: To your bank account, less its commission, after the airline pays; it does not say how soon.
• Flight-Delayed: By bank transfer to the account the client gives, within 30 days of the claim being collected; the client's bank charges, if any, are deducted.

How long a claim takes

• AirAdvisor: 'Our total turnaround time is usually 4-6 weeks.'
• Flight-Delayed: 'Many passengers ... find money in their account within a few weeks or months', but 'there are also situations where it might take longer ... up to a few years' (for example if the airline is unresponsive or a court case is needed).

What do they claim for?

Rules it claims under

• AirAdvisor: EU261, UK261, US DOT, Canada APPR, Turkey SHY and the Montreal Convention.
• Flight-Delayed: EU Regulation (EC) No 261/2004 (EU261); UK261 (the 2019 EU Exit amendment regulations)

Flights outside Europe

• AirAdvisor: It says it protects rights in the USA, Canada and internationally, with experience of US DOT, Canada APPR and Turkey SHY rules.
• Flight-Delayed: UK and EU rules cover flights by UK or EU carriers (for example Tokyo to London with British Airways, yes) and flights leaving the UK or EU on any airline (London to Tokyo with Japan Airlines, yes).

How far back

• AirAdvisor: Generally 3 years from the flight date; 'Some countries may only have a 1 or 2 year time limit.'
• Flight-Delayed: UK flights: 6 years (5 in Scotland).

Do they go to court?

Lawyers

• AirAdvisor: In-house lawyers: 'AirAdvisor's team of lawyers and experienced legal professionals'; 'our licensed attorneys will represent you in court proceedings'.
• Flight-Delayed: Member of The Association of Passenger Rights Advocates (APRA).

Court action

• AirAdvisor: With its own lawyers: 'If needed, we will take the airline to court for you'; 'our licensed attorneys will represent you in court proceedings'; 'We'll even take Wizz Air to court'.
• Flight-Delayed: 'If needed, we will even take the airline to court' with its 9 legal teams in Europe; '98% of court cases won'.

Who are they?

Registered company

• AirAdvisor: AirAdvisor International Inc., named in its disclaimers; no registration number or address is given.
• Flight-Delayed: Trading name Flight-Delayed.com.

Based in

• AirAdvisor: not stated on its website.
• Flight-Delayed: Amsterdam, Netherlands.

Founded

• AirAdvisor: not stated on its website.
• Flight-Delayed: 2010, by its own account.

What are the alternatives to AirAdvisor and Flight-Delayed?

Three more claims companies, on the same facts, if neither fits:

• Flightright: Founded by Philipp Kadelbach and Sven Bode. Fee: 20% to 30%, plus VAT; Trustpilot 4.5 from 3,410 reviews.
• FairPlane: 24% to 35% including VAT. Fee: 24% to 35%, including VAT; Trustpilot 4.8 from 4,098 reviews.
• AirHelp: The most Trustpilot reviews here: 245,323. Fee: 35%, including VAT; Trustpilot 4.5 from 245,323 reviews.

Richard Jasinski · Uncompromised Travel · written from Valencia · first published 3 November 2026 · updated 3 November 2026