Takes about a minute. We'll tell you straight away if you likely qualify, probably don't, or if it's a genuinely borderline case — we won't oversell a weak claim to get your $10.
This tool gives a plain-English estimate based on EU261/UK261 rules as we understand them — it isn't legal advice, and airlines sometimes dispute "extraordinary circumstances" claims even when they may not hold up. See our EU261 basics page for the full rules.